Flexible Black MMA Adhesive for Bonding Metal, Plastic, and Composites
Product Highlights
- Adhesive Type: Methyl Methacrylate (MMA)
- Brand: Infinity Bond
- Contact Us with Questions
Black Adhesive for Flexible Bonding of Dissimilar Materials
Infinity Bond MMA 320 Black is a flexible structural adhesive designed to bond metals, plastics, and composites, even in applications subject to vibration or thermal expansion. This 10:1 ratio MMA adhesive provides an 8 to 12 minute working time and develops strength quickly — reaching fixture time in 18 to 25 minutes. It forms durable, impact-resistant bonds to materials like fiberglass, ABS, aluminum, and stainless steel. The black color offers enhanced visibility for part alignment, inspection, or cosmetic blending in manufacturing environments.
Note: There is also an MMA 320 cream/off-white option for standard bonding applications.
Product Benefits
- Flexible Bond Line: Accommodates thermal expansion and vibration between dissimilar materials
- Black Pigment for Visual Contrast: Improves inspection visibility and aesthetic alignment
- Medium Working Time: 8–12 minute working time with quick fixture in under 25 minutes
- Strong, Impact-Resistant Bonds: Adheres to fiberglass, metals, and engineered plastics
- Minimal Prep Required: Bonds most substrates without sanding or priming
- Dispensing Options: Compatible with 50 ml and 490 ml 10:1 cartridge systems
Specifications
- Series: MMA 320
- Type: Methyl Methacrylate Structural Adhesive
- Color: Black
- Mix Ratio: 10:1
- Substrates: Recommended for bonding Aluminum, Stainless Steel, Fiberglass, ABS, PVC, Acrylic, and other Engineered Plastics
- Working Time: 8 to 12 minutes (at 75°F / 24°C)
- Fixture Time: 18 to 25 minutes (at 75°F / 24°C)
- Can Be Moved In: 25 to 30 minutes
- Operating Temperature: 65°F to 85°F (18°C to 30°C)
- Gap Filling: Up to 0.375 inches
- Mixed Density: 8.1 lbs/gal (0.96 g/cc)
- Elongation: Greater than 100%
- Flash Point: 51°F (11°C) – See SDS for full safety information
- Cartridge Size: 50 ml and 490 ml
- Shelf Life: 1 Year (unopened at room temperature)
Note: Not recommended for low energy surfaces like polyethylene or polypropylene.
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