MMA 440 Metal and Plastic Bonding Methacrylate Adhesive - 40 - 60 Minute Working Time

MMA 440 High Strength 2-Part Adhesive for Metal, Plastic, and Composite Bonding

Infinity Bond MMA 440 is a high-strength, two-part structural methacrylate adhesive engineered for bonding metals, plastics, and composites with minimal surface prep. Supplied in an off-white 490 ml cartridge with a 10:1 mix ratio, it offers an extended 40–60 minute working time and achieves handling strength in under two hours at room temperature. MMA 440 bonds exceptionally well to steel, stainless steel, aluminum, fiberglass, PVC, and ABS—making it ideal for large assemblies or parts that require precise positioning before curing.

Top Benefits of MMA 440 Cartridge Adhesive

• Extended Working Time: 40–60 minute work life allows ample time for precise part positioning and large surface bonding.
• High Strength Performance: Provides durable structural bonds to metals, plastics, and composites with minimal surface prep.
• Broad Substrate Compatibility: Bonds steel, stainless steel, aluminum, fiberglass, PVC, and ABS.
• Reliable Fixture Time: Achieves handling strength in 80–100 minutes at room temperature (75°F / 24°C).
• User-Friendly Packaging: Supplied in a convenient 490 ml 10:1 cartridge for use with standard two-part dispensing equipment.
• Gap-Filling Capability: Fills bond lines up to 3/8" (0.375") for uneven or irregular substrates.

Specifications

• Series: MMA 440
• Type: Type: Two-Part Methyl Methacrylate Structural Adhesive
• Color: Off-White
• Mix Ratio: 10:1
• Substrates: Recommended for Bonding Metal, Steel, Aluminum, Fiberglass and Various Plastics (Not Low Energy Surfaces)
• Working Time: 40 to 60 Minutes (at 75°F / 24°C)
• Fixture Time: 80 to 100 Minutes (at 75°F / 24°C)
• Can Be Moved In: 120 to 150 Minutes
• Operating Temperature: 65°F to 85°F (18°C to 30°C)
• Gap Filling: .375" (3/8")
• Flash Point: 51°F (11°C) – See SDS for full safety information
• Cartridge Size: 490 ml
• Shelf Life: 1 Year (unopened at room temperature)

Note: This product is not UV stable and will yellow over time. Yellowing does not affect bond performance but may impact appearance. Not recommended for cosmetic seams or invisible bonding applications.