Fixtop Epoxy Part A + B ( Formerly Known As Rivo 50)

Tenax Fixtop Epoxy Setting Adhesive A + B 

Tenax Fixtop Epoxy Adhesive is a true 100% two-part epoxy glue...not water based. It is very easy to mix and spread. Suitable for gluing and bonding marble, granite, stones, mosaics, porcelain and ceramics as well as hardwood, cement board, laminate and plywood. Works best when applied in a thin layer. Use to bond metal to stones, concrete to metal, ceramic to stone, stone to honeycomb panels. Does not dissolve or break down in water so it is great for shower applications and won't delaminate. No issues with expansion or contraction. For indoor and outdoor use.

Outstanding Epoxy Thinnest Material

• Mosaics
• All Stone
• Ceramic
• Porcelain
• Indoor & Outdoor
• Shower Applications

Features

• Easy to Mix
• Works Best in Thin Layer
• Metal to Stone
• Concrete to Metal
• Ceramic to Metal
• Ceramic to Stone
• Stone to Honeycomb Panels
• Doesn't Dissolve in Water
• Great for Showers
• No Expansion or Contraction
• Indoor & Outdoor Use

Instructions For Use

Make sure surface to be treated is completely dry and clean. Keep the glue and hardeners in their original cans. If using an automatic dosing pump avoid contact with metals made of copper, brass or similar metals which may rust. Avoid use of PVC plastic. Use only plastic that is corrosive resistant. Measure out, in either weight or volume, the correct amounts of part A and part B. Mix well using clean tools. Best when applied in a thin layer. Use acetone or butyl acetate to clean tools.

Shelf Life:

Keep the containers closed after use. Keep away from heat, humidity and sun light. This product will last 2 years under normal conditions between 65°s and 77°.

Common Applications

Stone Countertop Fabrication

Used for joining seams, attaching laminated edges, and reinforcing countertop assemblies.

Quartz & Engineered Stone Installation

Provides strong adhesion for engineered quartz surfaces used in kitchens, bathrooms, and commercial spaces.

Porcelain Slab Fabrication

Suitable for bonding porcelain materials where high-strength adhesion is required.

Repair & Restoration

Can be used for repairing chips, cracks, and damaged stone components when appropriate repair procedures are followed.

Edge Build-Ups & Laminations

Creates strong bonds between layered stone pieces used for thicker edge profiles and decorative fabrication.

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Compatible Materials

Tenax Fixtop is commonly used with:

• Granite
• Marble
• Quartzite
• Limestone
• Travertine
• Engineered quartz
• Porcelain slabs
• Ceramic materials
• Solid surface materials
• Composite stone products

Always perform a compatibility test prior to production use.

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Why Fabricators Choose Epoxy Adhesives

Epoxy adhesives remain one of the most trusted solutions in stone fabrication because they provide:

• Exceptional bond strength
• Excellent gap-filling capabilities
• Long-term durability
• Strong chemical resistance
• Moisture resistance
• Structural reliability
• Compatibility with multiple substrates

These characteristics make epoxy systems ideal for demanding fabrication environments.

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Application Instructions

Surface Preparation

• Ensure surfaces are clean and dry.
• Remove dust, oils, polishing residues, and contaminants.
• Test adhesion before full production use.

Mixing

• Mix Part A and Part B according to manufacturer specifications.
• Blend thoroughly until a uniform consistency is achieved.

Application

• Apply adhesive evenly to prepared surfaces.
• Join components and position correctly.
• Secure pieces during curing as necessary.
• Allow full cure before handling or loading.

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Storage & Shelf Life

For best performance:

• Store in original containers.
• Keep tightly sealed when not in use.
• Protect from excessive heat and freezing conditions.
• Store in a cool, dry environment.

Proper storage helps maintain adhesive performance and working properties.

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Frequently Asked Questions

What is Tenax Fixtop used for?

Fixtop is a two-component epoxy adhesive used for bonding stone, quartz, porcelain, ceramic, and solid surface materials.

Can Fixtop be used on quartz countertops?

Yes. Fixtop is suitable for engineered quartz fabrication, seam joining, and repair applications.

Is Fixtop suitable for porcelain slabs?

Yes. It is commonly used for porcelain slab fabrication and installation projects.

Can Fixtop be used outdoors?

Yes. When properly applied and cured, Fixtop provides durable performance in exterior environments.

Is Fixtop used for seams and laminations?

Yes. It is frequently used for seam joining, edge laminations, and fabrication assemblies.

Does Fixtop resist moisture?

Yes. Once cured, the epoxy system provides excellent moisture resistance.

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Technical Data Summary (TDS)

Product Type:

• Two-component epoxy adhesive

Technology:

• Epoxy resin system

Applications:

• Bonding
• Laminations
• Seams
• Repairs
• Edge build-ups

Compatible Materials:

• Granite
• Marble
• Quartzite
• Quartz
• Porcelain
• Ceramic
• Solid surface materials

Performance Features:

• High bond strength
• Moisture resistance
• Chemical resistance
• Interior and exterior use
• Long-term durability
• Professional fabrication performance

Application Areas:

• Countertops
• Vanities
• Wall panels
• Porcelain installations
• Stone fabrication projects

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Safety Data Summary (SDS)

Hazards:

• Contains epoxy resin components
• Avoid skin and eye contact
• Use in well-ventilated areas
• Do not ingest

Recommended PPE:

• Chemical-resistant gloves
• Safety glasses or goggles
• Appropriate work clothing

Storage:

• Store in original sealed containers
• Protect from heat and direct sunlight
• Keep away from incompatible materials

First Aid:

• Flush eyes immediately with water if exposed
• Wash skin thoroughly with soap and water
• Seek medical attention if irritation persists

Always consult the manufacturer's current Safety Data Sheet before use.

Fixtop Epoxy Technical Data Sheet

Fixtop Epoxy Safety Data Sheet