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Megapoxy 63 High Strength Epoxy Adhesive Gel: A Product Overview
When the job demands structural bonding with zero compromise, Megapoxy 63 delivers predictable performance that holds first-time-right. This two-component, 100% solids epoxy adhesive forms ultra-strong, permanent bonds that outperform concrete, making it the smart choice for tight joints, stone fabrication, and repair work where failure means costly callbacks.
The thick gel consistency spreads cleanly with a notched trowel, allowing thin glue lines without slump. With compressive strength up to 120 MPa and excellent chemical resistance, it’s built for demanding site conditions—whether you’re bonding natural stone, ceramics, or masonry. No shrinkage, no guesswork—just reliable adhesion that protects your margin and reputation.
Key Features of Megapoxy 63 High Strength Epoxy Adhesive Gel
- 100% solids epoxy system: solvent-free formulation ensures zero shrinkage—what you apply is what you get, no gaps or bond loss
- High compressive strength (120 MPa): exceeds concrete strength—handles structural loads without failure
- Tensile strength 36 MPa & flexural strength 85 MPa: resists cracking and stress—ideal for stone joins under load
- 2:1 mix ratio: simple, predictable batching—reduces mixing errors and keeps workflow moving
- 30 minute work time at 25°C: enough open time for accurate placement—no rushed installs or misalignment
- Gel consistency: stays where placed—perfect for vertical or tight joint applications without sag
- Chemical and shock resistant: stands up to harsh environments—no degradation in service
- Translucent and colourable: blends into stonework—clean, professional finish every time
The Megapoxy 63 High Strength Epoxy Adhesive Gel Advantage
- Eliminate bond failure risk: high-strength epoxy locks materials permanently—no costly callbacks on structural joins
- Work clean and precise: gel formula allows tight glue lines—improved aesthetics and less finishing time
- Handle demanding repairs: fills voids and chips with structural integrity—restores stone without compromise
- Reliable curing across temperatures: performs from 10°C upwards—predictable results in different working environments.
Adheseal tips for using Megapoxy 63 High Strength Epoxy Adhesive Gel
Scenario: Incorrect mixing ratio or poor blending
Potential Outcome: Incomplete cure, reduced strength, or discolouration over time—leading to bond failure and rework.
Adheseal Best Practice: Always mix at the exact 2:1 ratio and blend thoroughly until uniform. You’ll see a consistent colour and texture—this ensures full cure and maximum strength.
Scenario: Bonding to contaminated or coated surfaces
Potential Outcome: Weak adhesion and premature failure—especially under load or environmental stress.
Adheseal Best Practice: Mechanically abrade and clean surfaces to remove dust, grease, and coatings. A clean, keyed surface ensures maximum bond strength—no surprises later.
Applications in Practice: Trade Scenarios
For Stonemasons: Precision Stone Bonding
The Professional's Challenge
Tight mitre joints and stone joins demand invisible bonds with structural integrity. Any movement or failure leads to costly rework and client dissatisfaction.
The Adheseal Solution
Apply Megapoxy 63 in a thin film using a notched trowel. Its gel consistency holds position while delivering high tensile and compressive strength, locking stone pieces permanently. Success means seamless joins that hold under load.
Best Practice Note
Lightly abrade and cross-hatch smooth stone surfaces before bonding. This improves mechanical key and ensures predictable performance every time.
For Builders: Structural Repairs & Void Filling
The Professional's Challenge
Damaged edges, voids, and chipped materials require repair solutions that restore strength—not just appearance.
The Adheseal Solution
Use Megapoxy 63 to fill and rebuild damaged areas. Its non-shrink formulation and high compressive strength restore structural integrity while maintaining a clean finish. Success means durable repairs with zero callbacks.
Best Practice Note
Ensure voids are clean and dust-free before application. Proper prep guarantees full adhesion and eliminates weak points in the repair.
Frequently Asked Questions
How strong is Megapoxy 63 epoxy adhesive for structural bonding?
Megapoxy 63 epoxy adhesive delivers up to 120 MPa compressive strength, exceeding concrete. This ensures structural-grade bonding that resists load, shock, and stress—ideal for stone, masonry, and high-load applications.
How do you mix Megapoxy 63 for correct curing?
Mix Megapoxy 63 at a strict 2:1 ratio by volume for proper curing. Thorough mixing ensures full chemical reaction, preventing soft spots, discolouration, or reduced bond strength.
Can Megapoxy 63 be used for stone repair and filling voids?
Megapoxy 63 is ideal for stone repair and void filling due to its non-shrink epoxy formula. It restores structural integrity while maintaining a clean, professional finish.
What is the cure time for Megapoxy 63 epoxy adhesive?
Megapoxy 63 cures in 24 hours at 25°C, with faster curing at higher temperatures. This delivers predictable performance so you can plan workflow without delays.
Applications & Benefits
| Application / Use Case | Key Benefit | Primary Trades |
|---|---|---|
| Stone mitre joint bonding | High tensile and compressive strength locks joints permanently—no movement, no visible failure, no costly callbacks | Stonemasons, Builders |
| Natural stone installation | Thin film bonding with gel control delivers clean lines and predictable performance—better finish with less rework | Stonemasons, Tilers |
| Brick and ceramic bonding | Strong adhesion to masonry substrates ensures structural reliability—holds under load and site stress | Builders, Bricklayers |
| Repairing chipped edges and damaged stone | Non-shrink epoxy restores integrity and appearance—repairs hold first-time-right without cracking or sinking | Stonemasons, Remedial Contractors |
| Filling stone voids and holes | Thick gel fills gaps without slump, maintaining strength and finish—no shrinkage means no post-repair touch-ups | Stonemasons, Builders |
| Tight tolerance bonding applications | Allows ultra-thin glue lines with high strength—ideal where precision and aesthetics matter | Stonemasons, Joiners |
Megapoxy 63 Application Guide
Prepare surfaces by cleaning, degreasing, and mechanically abrading where required. Ensure substrates are dry, dust-free, and free from coatings before applying the adhesive.
Limitations & Safety
Not suitable for application below 10°C. Ensure correct mixing ratio—incorrect mixing leads to incomplete cure.
Wear gloves and eye protection. Ensure adequate ventilation during application. Avoid skin and eye contact.
Megapoxy 63 Application Guide
Natural Stone
Surface Preparation
Lightly abrade the bonding areas before application. For smooth surfaces, cross hatching or biscuiting helps improve mechanical key. Surfaces must be clean, dry, and free of dust. Any pin fixing holes must also be clean and dust free. Proper prep gives predictable performance and helps avoid no costly callbacks on tight bonding work.
Primer Requirements
No primer typically required
Megapoxy 63 is designed for direct bonding to properly prepared natural stone. Focus on abrasion and cleanliness to achieve first-time-right adhesion.
Porcelain
Surface Preparation
Abrade the bonding surface lightly before application. On very smooth porcelain, cross hatching or biscuiting can improve bond performance. Keep the surface clean, dry, and free from dust before applying the mixed adhesive. This extra prep step removes doubt and gives the epoxy a better key in thin film applications.
Primer Requirements
No primer typically required
No primer is stated as necessary for porcelain, provided the surface is properly abraded and cleaned before bonding.
Concrete
Surface Preparation
Concrete must be free from grease and oil before bonding. Where needed, clean with an industrial grade degreasing agent. After cleaning, remove laitance by mechanical abrasion or acid etching. A sound, properly prepared concrete surface is critical for high bond strength and predictable performance under load.
Primer Requirements
No primer typically required
Megapoxy 63 can be applied directly to well-prepared concrete. Surface condition matters more than priming, so remove contamination and laitance thoroughly before bonding.
Bricks and Ceramics
Surface Preparation
Ensure brick and ceramic surfaces are clean, dry, and free from dust, grease, and loose material. On dense or very smooth ceramic faces, light abrasion will improve adhesion. Good prep helps the adhesive hold first-time-right and reduces the risk of bond failure later.
Primer Requirements
No primer typically required
No primer is indicated for bricks or ceramics. Clean, dry, mechanically sound surfaces are the priority for reliable adhesion.
Coated Surfaces
Surface Preparation
Remove all existing coatings before bonding. Applying Megapoxy 63 over coated surfaces will give inferior bond strength compared with bonding directly to a prepared substrate. Strip back to a clean, sound base if you want structural performance and zero doubt on the job.
Primer Requirements
Primer not a substitute for coating removal
Do not rely on primer over paint or coatings. The correct approach is full coating removal, then bond directly to the properly prepared substrate underneath.
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