Plexus MA3940

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 open 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 %

Data sheets

Packaging & Stock no.

US
Stock #
Size
IT900X
490 ML CREAM
IT504
5 GAL ADHESIVE
32420
5 GAL ACTIVATOR
IT511
5 GAL ACTIVATOR BLUE
IT503
50 GAL ADHESIVE

EMEA
Stock #
Size
IT900
380 ML
IT504
20 LITER ADHESIVE
IT503
200 LITER ADHESIVE