ITW Performance Polymers Plexus® MA300 Black is a two component methacrylate adhesive activator designed for structural bonding of metal, thermoplastic, and composite assemblies. Features stiffness, high strength, and the ability to bond a wide range of materials. Part A adhesive sold separately. 1:1 mix ratio, 5 gal Pail.
| Typical Use: | Used for structural bonding of metal, thermoplastic, and composite assemblies. | 
| Brand: | Plexus | 
| Chemical Composition: | Methacrylate | 
| Color: | Black | 
| Components: | 2 part | 
| Cure System: | Room Temperature | 
| Cure Time: | 12 to 15min | 
| Flash Point: | 10 °C | 
| Gap Filling: | 0.75 to 3.2 mm | 
| Mix Ratio: | 1:1 by volume; 1:1 by weight | 
| Service Temperature: | -55 to 121 °C | 
| Shear Strength: | 3,000 to 3,800 | 
| Specific Gravity: | 0.96 | 
| Tensile Strength: | 3,000 to 4,000 psi | 
| Viscosity: | 40,000 to 70,000 | 
| Working Time: | 3 to 6min |