Plexus® MA420 Methacrylate Adhesive

Also known as Plexus AO420


Manufacturer Part #: IT101X

⚠️ Limited supply.

Product Highlights

  • Type: Methacrylate (MMA)
  • Brand: Plexus
  • Color: Black, Blue, Cream
  • Adhesive Ratio: 10:1
  • Cartridge Size: 490 ml
  • Set Speed: Fast
  • Bonds: Plastic, Metal
  • Properties: Non Sag, Toughened

Overview of Plexus MA420 / AO420

Plexus® MA420 is a specialized methacrylate adhesive, designed as a two-component system for securing metal, composite, and thermoplastic materials. It's formulated to mix at a ratio of 10:1 and is known for its quick-setting properties, while eliminating the need for extensive surface prep. This adhesive stands out due to its remarkable fatigue endurance, exceptional resistance to impact, and high level of toughness.

Common Applications

Plexus MA420 is exceptional at bonding the following materials:

  • Powder coat
  • E-Coat
  • ABS and ASA
  • Acrylic plastics
  • Rigid PVC
  • Gelcoats
  • Fiberglass
  • RTM
  • Rubbers

MA420 is also good for bonding various other metals, plastics, composites. It is a go-to adhesive product in transportation industry for bonding composites. If you have questions about the capabilities of MA420, don’t hesitate to ask your questions using the question form below.

Available Options


MA420 is available in 490 ml two-part adhesive cartridges.

Bulk Containers

MA420 can be purchased as 5 gallon pails and 50 gallon drums. For pricing, please use the "Get Volume Pricing" next to "Add to Cart".


MA420 is available in three colors: Cream, Black, Blue

Technical Specifications

Mix Ratio 10:1
Viscosity Non-sag gel
Working Time 4-6 minutes (75°F)
Fixture Time 18-22 minutes (75°F)
Shear Strength 3,000 - 3,800 psi
Tensile Strength
2,700 - 3,000 psi
Tensile Elongation 30% - 50%

Questions about Plexus® MA420? Our team of adhesive specialists can help. Submit your questions and we'll get you answers right away.

Authorized Plexus Distributor is an authorized distributor of Plexus structural adhesives from ITW Performance Polymers.

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Price $$$$$ $$$$$
Type Methacrylate (MMA) Methacrylate (MMA)
Brand Plexus Infinity Bond
Mix Ratio 10:110:1
Work Life 4 - 6 minutes3 - 7 minutes
Handling Strength 18 - 22 minutes10 - 15 minutes
Color Off-WhiteCream
Size 490ml50ml
Shelf Life 10 months12 months

These values are approximate. Manufacturers often use different parameters for determining adhesive properties. Refer to manufacturer data sheets for detailed specifications. If you have questions, don't hesitate to contact us.

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