Infinity Bond MMA 300 Black Structural Adhesive for Metal and Plastic Bonding

Infinity Bond MMA 300 Black is a high-performance, fast-set structural adhesive engineered for bonding metals, plastics, and composites in demanding applications. With a 1:1 mix ratio and 3 to 6 minute working time, it delivers fast, reliable strength, achieving 90% of its final bond in just 10 to 15 minutes. The black formulation provides a sharp visual contrast for quality control, identification, or enhanced aesthetics on the production floor. Available in both 50 ml and 400 ml cartridges.

Note: MMA 300 is also available in off-white for standard bonding applications.

MMA 300 BLK Features and Benefits

• Black Formulation: Provides high visibility for inspection, identification, and aesthetic matching
• Fast-Set Performance: 3–6 minute working time with rapid fixture in 10–15 minutes
• Reliable Structural Bonding: Strong adhesion to stainless steel, aluminum, fiberglass, PVC, and more
• Low Surface Prep: Bonds effectively with little to no substrate preparation
• Flexible Size Options: Available in 50 ml and 400 ml cartridges for streamlined dispensing
• Consistent Mix Ratio: 1:1 formula compatible with standard 2-part adhesive dispensers

Specifications

• Series: MMA 300
• Type: Methyl Methacrylate Structural Adhesive
• Color: Black
• Mix Ratio: 1:1
• Substrates: Recommended for bonding Fiberglass, ABS, PVC, Steel, Stainless Steel, Aluminum, and other Engineered Plastics
• Working Time: 3 to 6 minutes (at 75°F / 24°C)
• Fixture Time: 10 to 15 minutes (at 75°F / 24°C)
• Can Be Moved In: 18 to 24 minutes
• Operating Temperature: 65°F to 250°F (18°C to 121°C)
  
• Gap Filling: Up to 0.250 inches
• Mixed Density: 8.1 lbs/gal (0.96 g/cc)
• Flash Point: 51°F (11°C) – See SDS for full safety information
• Cartridge Size: 50 ml and 400 ml
• Shelf Life: 1 Year (unopened at room temperature)

Note: Not recommended for low energy surfaces like polyethylene or polypropylene.