Description
Two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. Plexus MA3940 is the standard for applications requiring an adhesive to bond substrates sensitive to chemical crazing such as acrylic or polycarbonate.
Key Features
- Medium working time 12 – 15 mins
- Exceptional low temperature impact resistance
- Fast, consistent strength development at room temperature
- High elongation and excellent stress distribution
- Low modulus and non-crazing
Key Substrates
- Thermoplastics ABS/ ABS Blends, Acrylics, PBT, Polycarbonate, Rigid PVC, TPUs
- Composites DCPD, FRP, Gelcoat, Phenolics, Epoxy Based Composites, RIM
- Coated metals Powder coated or E-coated Metals
- Raw metals with PC120 Aluminum, Stainless Steel, Raw Steel, etc.
Properties
- Color: Cream
- Mix Ratio: 10:1
- Shear Strength: 1,200-2,000 psi (9.7 – 13.8 MPa)
- Adhesive: A: 135,000-175,000 cP
- Activator: B: 30,000-70,000 cP
- Working Time Min: 12 minutes
- Working Time Max: 15 minutes
- Fixture Time Min: 25 minutes
- Fixture Time Max: 30 minutes
- Tensile Strength Min: 2,000 psi (13.8 MPa)
- Tensile Strength Max: 2,500 psi (17.2 MPa)
- Tensile Elongation Min: 125 %
- Tensile Elongation Max: 175 %