Infinity Bond MMA 440 Long Working Time Metal and Plastic Bonding Methacrylate Adhesive

MMA 440 Long Open Time Structural Adhesive for Metal, Plastic, and Composite Bonding

Infinity Bond MMA 440 is a premium structural methacrylate adhesive formulated for high-strength bonding of metals, plastics, and composites. Packaged in a 490 ml off-white cartridge and mixed at a 10:1 ratio, MMA 440 offers a long 40–60 minute working time—ideal for large parts, precise fit-ups, and multi-surface bonding. It delivers strong, durable adhesion to steel, aluminum, fiberglass, PVC, and more, with minimal surface prep required.

Performance Advantages of Infinity Bond MMA 440

• High Strength Structural Bonds: Engineered to deliver reliable adhesion to steel, aluminum, fiberglass, and engineering plastics.
  
• Long Open Time for Complex Builds: 40–60 minute work life provides ample time for careful assembly and adjustment.
  
• Minimal Surface Preparation: Performs on metals and plastics without the need for abrasion or primers.
  
• Gap-Filling Capability: Supports bond lines up to 3/8" (0.375") for irregular or non-uniform surfaces.
  
• Rapid Fixture for Increased Throughput: Reaches handling strength in as little as 80–100 minutes at room temperature.
  
• Cartridge-Based Convenience: Packaged in a 490 ml off-white 10:1 cartridge compatible with standard applicators.

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)