Use Megapoxy P1 for: High-strength bonding and repairs of concrete, metal, and in potable water environments.
Megapoxy P1 is a two-component, gap-filling epoxy adhesive designed for professional use. Its Nil VOC formulation and compliance with AS/NZS 4020:2018 make it suitable for potable water applications. This product offers exceptional bonding strength to concrete, metal, and other materials, ensuring durable and reliable repairs. The easy 1:1 mixing ratio and creamy texture simplify application, even on vertical and overhead surfaces.
Key Features of Megapoxy P1
- High Strength Bonding: Provides superior adhesion to concrete, steel, and other substrates, ensuring long-lasting repairs.
- Nil VOC Formulation: Safe for use in potable water environments and complies with AS/NZS 4020:2018.
- Easy 1:1 Mixing Ratio: Simplifies application and reduces errors, saving time and resources.
- No-Sag Application: Creamy texture allows for easy application on vertical and overhead surfaces without dripping.
- Chemical Resistance: Resistant to hydrogen sulphide and other chemicals, making it suitable for harsh environments.
Technical Overview
Megapoxy P1 is formulated with DGEBA epoxy resin and carbonate-free filler, providing exceptional strength and durability. Its high compressive strength (80 MPa) and tensile bond strength to steel (19 MPa) demonstrate its robust performance. The 60-minute work time at 25°C allows for precise application, while the varying cure times accommodate different project schedules.
Chemical Properties: DGEBA epoxy resin and carbonate-free filler, providing a strong, durable, and chemically resistant bond.
Application Temperature Range: Minimum application temperature of 10°C (50°F), ensuring reliable curing in various conditions. Maximum operating temperature of 80°C (176°F).
Application Information
- Required Tools: Mixing containers, spatulas, trowels, and appropriate personal protective equipment (PPE).
- Trade-Specific Tips: Ensure thorough mixing for optimal performance. Prepare surfaces by grit blasting or grinding for maximum adhesion. Apply a minimum 3mm layer for steel protection.
- Common Issues and Solutions: Inaccurate mixing can lead to poor curing. Always use a 1:1 ratio and mix thoroughly. Surface contamination reduces adhesion; ensure surfaces are clean and prepared.
Storage and Shelf Life
- Storage Requirements: Store in a cool, dry place away from direct sunlight.
- Shelf Life Information: Refer to the product packaging for specific shelf life information.
- Temperature Considerations: Flash point above 200°C (392°F) ensures safe handling and storage.
Certifications
- AS/NZS 4020:2018: Testing of Products For Use In Contact with Drinking Water.
Frequently Asked Questions About Megapoxy P1
Q: How do I prepare concrete for Megapoxy P1 application?
A: Ensure concrete is free from grease and oil. Remove laitance by mechanical abrasion (grit blasting, grinding) or acid etching. Allow to dry thoroughly for maximum adhesion.
Q: What is the mixing ratio for Megapoxy P1?
A: The mixing ratio is a simple 1:1 by volume. Mix Part A and Part B thoroughly until a uniform dark grey color is achieved.
Q: Can Megapoxy P1 be used in potable water applications?
A: Yes, Megapoxy P1 is Nil VOC and complies with AS/NZS 4020:2018, making it safe for use in contact with drinking water.
Q: What is the cure time for Megapoxy P1?
A: Cure time varies depending on temperature: 48 hours at 15°C, 24 hours at 25°C, and 12 hours at 35°C. Full cure is achieved in 4 days at 25°C.
Q: How do I protect steel with Megapoxy P1?
A: Apply a minimum 3mm layer of Megapoxy P1 to grit-blasted steel. This provides protection equivalent to approximately 50mm of concrete cover.
Q: What safety precautions should I take when using Megapoxy P1?
A: Use proper PPE, including rubber gloves. Ensure thorough mixing. Refer to the Safety Data Sheet for detailed safety information and proper industrial hygiene.
Use Megapoxy P1 for:
- Bonding precast concrete articles.
- Metal to metal or concrete bonding.
- Grouting bolts.
- Repairing concrete pipes and tanks.
- Flush-filling countersunk screws in fibre cement sheet.
- Repairing fibreglass articles.
- Protecting reinforcing steel.
Why Use Megapoxy P1:
- High Strength: Provides exceptional bonding strength for structural repairs and applications.
- Nil VOC: Safe for use in potable water environments and complies with relevant standards.
- Easy Application: Simple 1:1 mixing ratio and no-sag formula for efficient use.
- Durability: Excellent chemical resistance and long-term performance in various conditions.
- Versatility: Suitable for a wide range of substrates and applications.
How to apply Megapoxy P1:
- Prepare the Surface: Clean and prepare the substrate as outlined in the surface preparation guidelines.
- Mix the Components: Combine Part A and Part B in a 1:1 volume ratio. Mix thoroughly until a uniform dark grey color is achieved.
- Apply the Adhesive: Apply Megapoxy P1 using a trowel or spatula. Ensure even coverage and proper filling of gaps.
- Allow to Cure: Allow the adhesive to cure for the specified time based on the ambient temperature.
- Clean Up: Clean tools and mixing equipment with Megapoxy Thinners.
Megapoxy P1 limitations:
- Requires proper surface preparation for optimal adhesion.
- Inaccurate mixing ratios can lead to poor curing and reduced performance.
- Bonding to coated surfaces will give inferior bond strengths compared to bonding directly to a prepared substrate.
Safety precautions when using Megapoxy P1:
- Personal Protective Equipment: Use rubber gloves, eye protection, and appropriate respiratory protection in poorly ventilated areas.
- Ventilation: Ensure adequate ventilation during mixing and application.
- Handling: Avoid skin and eye contact. Wash hands thoroughly after use.
- Refer to the Safety Data Sheet for detailed safety information.
Megapoxy P1 can be used on the following substrates:
- Concrete: Ensure surface is clean and properly prepared.
- Steel: Grit blast to a bright metal finish for optimal adhesion.
- Natural Stone: Clean and dry surfaces for strong bonding.
- Bricks and Ceramics: Remove any loose particles or coatings.
- Compressed Cement Sheet: Ensure surfaces are free of dust and debris.
- Fibreglass articles: clean and abrade surfaces.
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