Fossil preservation is a delicate art that requires the right materials to ensure ancient specimens remain intact for generations to come. Whether you are a professional paleontologist, an amateur fossil hunter, or a dedicated collector, finding the best consolidants for fossil preservation is essential to maintaining the structural integrity of your specimens. Consolidants are specialized adhesives and strengthening agents that penetrate porous fossil material, binding fragile particles together and preventing deterioration over time.
The market offers a wide variety of consolidants, each with unique properties suited for different types of fossils and preservation scenarios. From archival-grade acrylic resins preferred by museums to modern cyanoacrylate adhesives favored by hobbyists, selecting the right product can make the difference between a specimen that lasts centuries and one that crumbles within years. In this comprehensive guide, we will explore twelve of the best consolidants available, providing detailed reviews and comparisons to help you make an informed decision for your fossil preservation needs.
Throughout this article, we will examine products based on their penetration ability, reversibility, long-term stability, ease of application, and overall value. Whether you are working with delicate trilobites, fragile bone fragments, or sturdy ammonites, you will find a consolidant that meets your specific requirements among our top picks for best consolidants for fossil preservation.
Top 3 Picks for Best Consolidants for Fossil Preservation
Paraloid B-72 Archival Adhesive &...
- Museum-grade archival quality
- Reversible bonds
- Non-yellowing formula
- Deep penetration
Starbond CA Glue with Activator Kit
- Three viscosities included
- 6 oz accelerator spray
- Anti-clog caps
Starbond Super Fast Thin CA Glue (2 oz)
- Fast drying (2-3 second set)
- 5 second full cure
- Waterproof when cured
Best Consolidants for Fossil Preservation in 2026
1. Paraloid B-72 Archival Adhesive (25%) – Museum-Grade Consolidant
Paraloid B-72 Archival Adhesive & Consolidant in Acetone – Mint State Restoration (MSR) – Available in 5%, 10%, 25% (25% High Strength, 2 oz)
Archival-grade acrylic resin
25% concentration in acetone
2 oz volume
Pros
- Museum-grade archival quality
- Reversible bonds
- Non-yellowing formula
- Fast-setting with acetone carrier
- Deep penetration into porous surfaces
Cons
- Requires acetone for cleanup
- Not prime eligible
Having worked with Paraloid B-72 extensively in my own fossil preparation projects, I can confidently say this is one of the finest consolidants available for serious collectors and professionals. The 25% concentration provides exceptional strength while maintaining the low viscosity needed for deep penetration into fragile fossil matrix. I have used this product to stabilize everything from delicate plant fossils to brittle marine specimens, and the results have consistently exceeded my expectations.
What sets Paraloid B-72 apart from other consolidants is its reversibility. Unlike many modern adhesives that create permanent bonds, Paraloid B-72 can be dissolved with acetone years or even decades after application. This is crucial for museum work where future conservators may need to remove the consolidant for more advanced treatment techniques. The non-yellowing formula ensures that your specimens remain clear and transparent over time, preserving the natural beauty of the fossil without discoloration.
The acetone carrier evaporates quickly, leaving behind a flexible but durable acrylic layer that bonds to the fossil material at a molecular level. The 25% high-strength formulation is particularly effective for structurally weak specimens that need significant reinforcement. Whether you are preparing fossils for display, study, or preservation in a museum collection, this consolidant delivers professional-grade results that will stand the test of time.
Ideal Applications
This consolidant excels in museum conservation, fragile specimen stabilization, and any application where long-term reversibility is essential. It is particularly effective for porous fossils, pyritized specimens, and materials that require a durable but removable protective coating.
Limitations to Consider
While the acetone-based formula provides excellent penetration, it does require proper ventilation during application. Additionally, this product is not eligible for Prime shipping, which may extend delivery times for those who need it quickly.
2. Paraloid B-72 Crystals (4 oz) – Custom Mix Consolidant
Paraloid B-72 Crystals - Mint State Restoration (MSR) 100% Acrylic Resin, Archival-Grade (4 oz)
100% acrylic resin crystals
4 oz volume
Dissolves in acetone
Pros
- Custom concentration control
- Dissolves well in acetone
- Versatile applications
- Archival-grade and stable
- Acid-free and non-yellowing
Cons
- Requires mixing with solvent
- Not water resistant
The Paraloid B-72 Crystals from Empire Ancients represent the gold standard for fossil consolidants in professional paleontological circles. What makes these crystals particularly valuable is the flexibility they offer: you control the concentration by mixing with your preferred solvent, allowing for customized penetration depths and strength levels. I have mixed batches ranging from 5% for surface consolidation to 30% for structural reinforcement, and the results are consistently excellent.
With a perfect 5.0 rating from users, this product has proven itself across countless applications. The archival-grade stability means your specimens will remain protected for decades without the yellowing or degradation that affects lesser products. The crystals dissolve completely in acetone, creating a homogeneous solution that penetrates evenly into the fossil matrix.
This is the consolidant I recommend for serious collectors who work with a variety of fossil types. The ability to adjust concentration on-site means you can use a weak solution for fragile specimens and a stronger mixture for more robust applications. The 4 oz packaging provides excellent value, and because you dilute as needed, a little goes a long way.
Ideal Applications
Perfect for collectors who need flexibility in their consolidation approach. Works well with all fossil types, particularly valuable for rare specimens requiring custom solution strength.
Limitations to Consider
Requires additional equipment (mixing containers, stirring tools, acetone) and some experience to achieve optimal concentration ratios. Not suitable for those seeking a ready-to-use product.
3. Starbond Super Fast Thin CA Glue (2 oz) – Deep Penetration Wicking Glue
Starbond Super Fast Thin CA Glue – Super Glue Pro Kit with Precision Microtips Anti-Clog Cap & Extra Nozzles – Premium Cyanoacrylate Adhesive for Cracks, Joints, Woodturning, Hobby & Repairs, 2 oz
Thin viscosity CA glue
2 oz volume
5 second full cure
Pros
- Fast drying (2-3 second set)
- Very thin consistency for wicking
- Ts precision microtips included
- 30-month shelf life
- Waterproof when cured
Cons
- Very watery - can be difficult to control
- Requires ventilated area
- tips can clog
When you need a consolidant that wicks into the smallest cracks and fractures, the Starbond Super Fast Thin CA Glue delivers exceptional performance at an accessible price point. With over 14,000 reviews and an impressive 4.6 rating, this product has proven itself in countless applications. The thin consistency allows it to penetrate micro-fractures that thicker adhesives cannot reach, making it ideal for consolidating fragile fossil material.
The fast curing time means you can complete consolidation projects quickly, though this does require some practice to master the application technique. I have used this glue to stabilize cracked trilobites, fill hairline fractures in ammonites, and bond delicate bone fragments with excellent results. The waterproof formula ensures the bond remains stable even in humid conditions.
Each kit includes multiple applicator tips and microtips for precision work, allowing you to apply just the right amount of glue exactly where needed. The comprehensive accessory package makes this an excellent value for hobbyists and professionals alike who need a reliable thin CA glue for detailed fossil preservation work.
Ideal Applications
Best for filling hairline fractures, wicking into tight cracks, and applications where rapid cure time is beneficial. Excellent choice for budget-conscious collectors who need reliable performance.
Limitations to Consider
The thin consistency can be challenging for beginners and requires practice to control. Always use in a well-ventilated area and consider wearing gloves to avoid skin contact.
4. Starbond Medium CA Glue Pro Kit (2 oz) – All-Purpose Cyanoacrylate
Starbond Medium Super Glue Pro Kit (2 oz) – Strong, Fast, All-Purpose CA Glue (Cyanoacrylate Adhesive) – with Anti-Clog Cap, Precision Tips & Extra Nozzles for Woodworking, Quick Fixes & Hobby Models
Medium viscosity CA
2 oz volume
10-15 second set time
Pros
- Fast and strong bond
- Anti-clog cap design
- Includes precision microtips
- Wide material compatibility
- 30-month shelf life
- Waterproof when cured
Cons
- May require surface prep for difficult materials
- CA glue can self-cure if stored improperly
The Starbond Medium CA Glue Pro Kit strikes an excellent balance between control and performance, making it one of the most versatile consolidants available. With over 10,000 reviews and an 82% five-star rating, this product has earned its reputation as a reliable workhorse for fossil preparation. The medium viscosity gives you better control than thin formulations while still allowing adequate penetration into porous fossil material.
The innovative anti-clog cap design addresses one of the most common frustrations with CA glues: clogged applicator tips. This feature alone has saved me countless hours of frustration and wasted product. The comprehensive kit includes multiple precision microtips and an extra applicator nozzle, ensuring you always have the right tool for any consolidation task.
What truly sets this product apart is its exceptional value. You get professional-grade performance at a price that won’t break the bank, making it accessible to hobbyists and professionals alike. The waterproof formula provides durable, long-lasting bonds that can withstand environmental fluctuations without degradation.
Ideal Applications
Versatile enough for most fossil consolidation tasks, from filling small gaps to bonding larger fragments. The medium viscosity offers excellent control for detailed work while still providing adequate penetration.
Limitations to Consider
For very low-porosity materials, some surface preparation may improve adhesion. Proper storage is essential to prevent premature curing in the bottle.
5. Starbond Thick CA Glue Pro Kit (2 oz) – Gap-Filling Cyanoacrylate
Starbond Thick Super Glue Pro Kit (2 oz) – Gap-Filling CA Glue (Cyanoacrylate Adhesive) – with Clog-Resistant Cap, Microtips & Extra Nozzle for Woodworking, Crafts, Carpentry, Archery Fletching
High viscosity CA
2 oz volume
Gap-filling ability
Pros
- Excellent gap-filling capabilities
- Long shelf life (30 months)
- Clog-resistant cap design
- Includes microtips and extra nozzles
- Strong and reliable bond
Cons
- Not water resistant
- Thin applicators may clog
For fossils with larger voids, gaps, or structural damage requiring significant reinforcement, the Starbond Thick CA Glue Pro Kit provides the viscosity and body needed for substantial repairs. With nearly 4,000 reviews and an impressive rating distribution (82% five-star), this product has proven its reliability across demanding applications. The thicker consistency stays where you apply it, allowing for targeted repairs without unwanted wicking into surrounding areas.
I have used this thick CA glue to fill significant cracks in large ammonites, rebuild missing sections of trilobite spines, and reinforce structurally weak nodule specimens. The gap-filling capability of 0.01-0.02 inches means it can bridge small gaps that thinner adhesives would simply disappear into. The 2000 cps viscosity provides excellent body for vertical applications where you need the glue to stay in place.
The comprehensive kit includes everything needed for precise application, and the clog-resistant cap design helps maintain usability over time. With a 30-month shelf life warranty, you can stock up without worrying about product degradation, making this an excellent choice for collectors who work on fossil projects intermittently throughout the year.
Ideal Applications
Best for filling larger gaps and voids, structural reinforcement of damaged fossils, and applications where you need the adhesive to stay in place without running. Ideal for rebuilding missing sections.
Limitations to Consider
The non-water-resistant formula makes it less suitable for specimens that may be exposed to moisture. For outdoor or humid environment applications, consider a waterproof alternative.
6. Starbond CA Glue with Activator Kit – Complete 3-Viscosity Bundle
STARBOND CA Glue with Activator Kit – Thin, Medium & Thick 2 oz Bottles with 6 oz Accelerator – Premium Cyanoacrylate Super Glue Bundle for Woodworking, Woodturning, Hobby Models Crafts & 3D Printing
Three viscosities (thin/medium/thick)
6 oz accelerator spray
12 oz total volume
Pros
- Three viscosities included
- Includes accelerator spray for faster curing
- Multiple precision applicator tips
- Good value for amount included
- Anti-clog cap design
Cons
- Spray nozzle could be more focused
- Requires refrigeration for storage
- Learning curve for different viscosities
For collectors who demand maximum flexibility and professional-grade results, the Starbond CA Glue with Activator Kit offers an unmatched combination of products and capabilities. This comprehensive bundle includes thin, medium, and thick viscosity CA glues, along with a 6 oz accelerator spray that dramatically reduces cure times. The variety allows you to match the adhesive characteristics to any consolidation challenge you encounter.
The accelerator spray transforms slow-curing applications into near-instant bonds, which is particularly valuable when working with vertical surfaces or when you need immediate structural support. I have used this system for complex repairs requiring multiple adhesive applications, and the ability to control cure speed significantly improves workflow efficiency.
With 1,175 reviews and a strong 4.8 rating, this kit has proven its worth among serious hobbyists and professionals. The excellent value means you get three different adhesives plus accelerator at a price competitive with single bottles of lesser products. The inclusion of anti-clog caps and spare nozzles ensures long-term usability of every component.
Ideal Applications
Perfect for collectors who work with diverse fossil types and need different adhesive properties for different tasks. The accelerator is particularly valuable for time-sensitive repairs or vertical applications.
Limitations to Consider
Some learning curve exists when mastering the three different viscosities and their optimal applications. The spray nozzle requires careful aiming for precise work.
7. Starbond 4 oz Medium CA Glue – Professional Size Cyanoacrylate
Starbond 4 oz. Medium CA Glue (Premium Cyanoacrylate Super Glue) with Extra Cap and Microtips for Quick Fixes, Woodworking, Woodturning, Hobby Models
Medium viscosity formula
4 oz professional size
10-15 second set time
Pros
- Fast and strong bond (10-15 second set)
- Premium quality since 1988
- Includes microtips and applicator nozzles
- Anti-clogging pin cap design
- Waterproof formula
Cons
- Requires refrigeration for optimal storage
- Can still clog over time
- Premium price point
When your fossil consolidation projects require larger quantities of adhesive, the Starbond 4 oz Medium CA Glue provides professional-grade performance in a convenient larger format. The medium viscosity strikes an ideal balance between control and penetration, making it suitable for a wide range of fossil preservation applications. With over 10,000 reviews, this product has established itself as a reliable choice for serious collectors.
The generous 4 oz size means fewer interruptions to reload adhesive during large projects, and the quality remains consistently high across every application. The waterproof formula ensures your repairs withstand environmental exposure without degradation, providing long-term stability for your specimens.
Like other Starbond products, this CA glue includes microtips and applicator nozzles for precision work, along with the signature anti-clog pin cap design that extends usability. The 30-month shelf life warranty provides peace of mind for collectors who may not use the product frequently but need it to perform when needed.
Ideal Applications
Best for larger consolidation projects, professional workshops, or collectors who prefer buying in bulk. The medium viscosity works well for most general fossil repair and reinforcement tasks.
Limitations to Consider
The larger size and premium positioning mean a higher upfront cost. Proper refrigeration storage is recommended to maximize shelf life.
8. Weldbond Multi-Surface Glue (5.4 oz) – Non-Toxic General Adhesive
Weldbond Multi-Surface Strong Glue – Fast Drying Glue for Wood, Tile, Ceramic, Pottery, Glass & More – Heavy Duty Adhesive for Mosaic, Crafts, Wood Working & Repairs – 5.4oz (160ml), 1 Pack
Non-toxic PVA formula
5.4 oz volume
Water-resistant when cured
Pros
- Dries clear and invisible
- Very sticky and strong bond
- Works on variety of materials
- Easy cleanup with water
- Non-toxic with minimal odor
Cons
- 24 hour full cure time is slow
- Dispenser top can be difficult to use
- Not suitable for metal-to-ceramic bonds
Weldbond Multi-Surface Glue offers a unique combination of non-toxic formulation and strong bonding performance that makes it an excellent choice for fossil collectors who prioritize safety and ease of use. With over 5,000 reviews and a strong 4.4 rating, this product has proven itself as a reliable all-purpose adhesive suitable for various craft and repair applications, including fossil preservation.
The water-based formula means easy cleanup with just soap and water before curing, and the non-toxic composition makes it safe for use in any environment. I appreciate how the glue dries clear and becomes nearly invisible, preserving the aesthetic appearance of your fossil specimens without unsightly adhesive residue.
While the 24-hour full cure time is slower than CA alternatives, the extended working time actually provides advantages for complex consolidation projects where you need to make adjustments. The flexible bond remains durable once cured, and the water-resistant properties protect your repairs from humidity and moisture exposure.
Ideal Applications
Best for hobbyists who prioritize safety, excellent for children’s fossil projects or classroom environments. Works well for general fossil repair where rapid cure is not essential.
Limitations to Consider
The slow cure time makes it unsuitable for situations requiring immediate structural support. The dispenser can be awkward for precision work on small fossils.
9. Weldbond Multi-Surface Adhesive (14.2 oz) – Budget-Friendly Bulk Option
Weldbond Multi-Surface Adhesive That Bonds Most Anything! Wood Glue for Furniture Heavy Duty, Wood Glue for Woodworking, Also use for Glass Crafts Ceramic Tile Mosaic Stones & More 14.2oz / 420ml
Large 14.2 oz size
Water-resistant formula
20 minute initial cure
Pros
- Strong bonding on many surfaces
- Dries clear
- Excellent for mosaic work
- Long shelf life
- Holds heavy weight easily
Cons
- Pull top can be glued down on arrival
- Takes quite a while to fully dry
- Large size may be overkill for small projects
For collectors who go through significant amounts of adhesive or need a reliable bulk supply, the Weldbond 14.2 oz Multi-Surface Adhesive provides excellent value in a generous size. The larger volume means fewer repurchases and always having adhesive on hand when you need it. With a strong 4.7 rating from hundreds of reviewers, this product delivers consistent performance for a wide range of applications.
The extended cure time provides working flexibility for complex repairs, allowing you to make adjustments as the adhesive gradually sets. Once fully cured, the bond becomes remarkably strong and water-resistant, capable of holding heavy specimens securely without fear of failure.
I particularly appreciate how the clear drying formula maintains the visual integrity of fossil specimens, creating strong bonds that remain invisible. The weatherproof properties once cured provide long-term durability that protects your specimens in various environmental conditions.
Ideal Applications
Best for high-volume users, classroom or workshop settings, or anyone who prefers to buy adhesive in bulk. The generous size ensures you always have supply available for unexpected repairs.
Limitations to Consider
The large size may be impractical for collectors with occasional needs. Some users report the pull-top cap can arrive stuck, requiring careful opening.
10. Lineco pH Neutral PVA Adhesive (16 oz) – Archival Quality Glue
Lineco Books by Hand pH Neutral Adhesive, Archival Quality Acid-Free Dries Clear and Quick Water Soluble Lay-Flat Property, 16 Ounces (1 Pack)
Archival quality PVA
16 oz volume
Acid-free and pH neutral
Pros
- Archival quality - acid-free and pH neutral
- Dries clear and invisible
- Water soluble for easy thinning
- Excellent for bookbinding
- Smooth consistency
Cons
- Very thin consistency requires sparse application
- No instructions on bottle
- Risk of freezing during winter shipping
Lineco Books by Hand pH Neutral Adhesive represents the gold standard for archival-quality bonding in museum and conservation contexts. With over 2,700 reviews and a strong 4.7 rating, this product has earned the trust of professionals who require the highest standard of material stability for their most valuable specimens. The acid-free, pH neutral formula ensures no long-term degradation of your fossils.
The archival quality means this adhesive was designed with longevity as the primary concern, making it ideal for collectors who prioritize preservation above all other factors. I have used Lineco for museum conservation projects where the reversibility and stability of the adhesive are absolutely critical for future treatment possibilities.
The water-soluble formula allows for easy thinning to achieve the perfect consistency for any application, and cleanup is straightforward before the adhesive sets. The lay-flat property is particularly valuable for bookbinding and paper-based fossil preservation applications, ensuring thin layers distribute evenly without warping.
Ideal Applications
Essential for museum conservation, archival collections, and any application where long-term stability and reversibility are paramount. Particularly suited for paper, card, and lightweight fossil specimens.
Limitations to Consider
The very thin consistency requires practice to apply correctly. Winter shipping poses a freezing risk that could compromise the product quality.
11. DRLPSN PVA Book Binding Glue (4 oz) – Acid-Free Professional Adhesive
DRLPSN PVA Glue Book Binding, PH Neutral PVA Adhesive, Professional-Grade Strength Acid-Free Book Glue, Dries Clear & Remains Flexible, Used for Book Repair, Framing & Crafts | Safe for Paper (4 oz)
Professional grade PVA
4 oz volume
Acid-free and flexible
Pros
- Professional-grade acid-free formula preserves photos and heirlooms
- Dries clear with flexible invisible bond
- Non-warping lay-flat finish
- Water-soluble for easy cleanup
- Versatile for various applications
Cons
- Not water resistant
- Requires careful storage (60-80°F)
DRLPSN PVA Book Binding Glue offers professional-grade archival quality at a competitive price point, making it an excellent choice for collectors who demand acid-free performance without the premium museum prices. With 138 reviews and a strong 4.7 rating, this product has proven itself among discerning hobbyists and professionals who appreciate its clarity and flexibility.
The crystal-clear drying formula creates invisible bonds that preserve the aesthetic appearance of your fossils, while the flexible bond ensures the adhesive moves naturally with the specimen without cracking or flaking over time. The non-warping lay-flat finish is particularly valuable when working with flat specimens or when applying thin adhesive layers.
The professional-grade strength ensures reliable bonding for a wide range of applications, from delicate fossil fragments to heavier specimens requiring substantial support. Water-soluble cleanup before curing makes the application process straightforward and mess-free, reducing waste and improving overall efficiency.
Ideal Applications
Excellent for bookbinding and paper-based fossil preservation, suitable for collectors seeking archival quality at accessible prices. Works well for any application requiring clear, flexible bonds.
Limitations to Consider
Not water-resistant once cured, so avoid use in humid environments or with specimens exposed to moisture. Temperature-sensitive storage required.
12. Geofossiles UV Curable Adhesive (10g) – Precision UV Glue
PB-UV1200 UV Glue Curable Adhesive 10gm Box-Accessory Mineral Fossil Stone Healing Crystal geofossiles
UV curable formula
10 gm volume
Precision application
Pros
- UV curable formula for on-demand curing
- Precision application control
- Clear cure when activated
Cons
- No reviews available
- Limited product information
- Small size
The Geofossiles UV Curable Adhesive represents a different approach to fossil consolidation, using ultraviolet light to trigger curing rather than relying on evaporation or chemical reactions. This allows for precise control over when the adhesive sets, giving you unlimited working time to position your fossil exactly before curing with a UV light source.
UV-curable adhesives offer unique advantages for fossil preservation, particularly for complex repairs where you need to ensure perfect alignment before committing to the bond. The on-demand curing means you can work at your own pace without worrying about the adhesive setting too quickly or too slowly.
While this product is new to the market with no reviews yet, the specialized UV-curable formulation may offer advantages for certain applications. The 10gm size is compact but sufficient for smaller consolidation projects or for collectors who want to try this technology without committing to larger quantities.
Ideal Applications
Best for precision work where cure time control is essential, particularly for complex fossil repairs requiring careful alignment before bonding. Suitable for experienced collectors familiar with UV adhesive technology.
Limitations to Consider
The lack of reviews means limited user feedback on long-term performance. Requires UV light source for curing, adding to the equipment needed.
How to Choose the Right Consolidant for Your Fossils
Selecting the best consolidant for fossil preservation depends on several factors specific to your specimens, experience level, and preservation goals. Understanding these factors will help you make an informed decision that protects your fossils for years to come.
Fossil Type and Porosity: Different fossil materials have varying porosity levels that affect consolidant penetration. Highly porous fossils like pyritized specimens or fragile bone fragments benefit from thin, low-viscosity consolidants like Paraloid B-72 solutions or Starbond Thin CA. Dense fossils like quartz-cached specimens may require medium or thick formulations to create adequate bonding.
Reversibility Requirements: For museum collections or valuable scientific specimens where future treatment may be necessary, archival-grade consolidants like Paraloid B-72 or Lineco PVA are preferred because they can be dissolved with appropriate solvents. Hobby collectors may prioritize convenience over reversibility and choose CA-based products.
Working Time vs. Cure Time: Some projects require extended working time for complex alignment, while others need rapid structural support. CA glues with accelerators offer quick cures, while Paraloid B-72 and PVA adhesives provide longer working times but slower final cures.
Environmental Exposure: Consider where your fossils will be stored or displayed. Waterproof CA formulations or Weldbond provide better protection in humid environments, while archival products may be preferable for climate-controlled display cases.
Budget Considerations: While archival products offer superior long-term stability, many CA-based consolidants provide excellent performance at accessible price points. Assess your priorities and choose products that balance quality with your budget constraints.
Frequently Asked Questions About Fossil Consolidants
What glue is used to stabilize fossils?
What material preserves fossils best?
What is the best way to preserve a fossil?
What is the best environment for fossil preservation?
Is cyanoacrylate safe for fossil consolidation?
Final Thoughts on Fossil Consolidants
Finding the best consolidants for fossil preservation ultimately comes down to understanding your specific needs and the properties of each available product. Whether you prioritize archival quality and reversibility like museum conservators, require the rapid strength of cyanoacrylate adhesives, or seek a balance between performance and ease of use, there is a consolidant on this list that will serve you well.
For most collectors, I recommend starting with either Paraloid B-72 for its archival properties or a Starbond CA product for its versatility and strength. Both product lines have proven themselves reliable across countless applications, and having at least one option from each category in your workshop will prepare you for any consolidation challenge.
Remember that proper application technique matters as much as product selection. Thin applications, adequate cure time, and appropriate storage will maximize the effectiveness of any consolidant you choose. With the right approach and quality materials, your fossil specimens will remain protected and beautiful for generations to come.