Plexus® MA300 Methacrylate Adhesive

SKU: PLX 30500

Manufacturer Part #: 30500

⚠️ Limited supply.

Product Highlights

  • Type: Methacrylate (MMA)
  • Brand: Plexus
  • Color: Cream, Black
  • Adhesive Ratio: 1:1
  • Cartridge Size: 25 ml, 50 ml, 400 ml
  • Bonds: General Purpose, Plastic, Metal
  • Properties: Toughened, Non Sag

Overview of Plexus MA300

Plexus MA300 is an all-purpose, high-strength methacrylate adhesive (MMA) commonly used for the structural bonding of metal, thermoplastic, and composite assemblies. It provides both high stiffness and strength, along with the versatility to adhere to various materials.

MA300 mixes at a 1:1 ratio and has a working time of approximately 3-6 minutes and a fixture time of 12-15 minutes. 

Common Applications

Plexus MA300 is ideal for bonding the following materials:

  • Painted / coated metals
  • ABS plastics
  • Acrylics
  • Vinyls (PVC)
  • Gelcoats
  • Fiberclass
  • Phenolics
  • RTM
  • Rubbers

MA300 is effective for bonding other thermoplastics, composites, coated metals, and raw metals. It is commonly used in transportation manufacturing and marine applications. If you have questions about the capabilities of MA300, don’t hesitate to ask your questions using the question form below.

Available Options


MA300 is available in the following two-part adhesive cartridges:

  • 25 ml twin cartridge (contact us)
  • 50 ml twin cartridge
  • 400 ml twin cartridge

Bulk Containers

MA300 can be purchased in the following bulk containers:

  • 5 gallon pails
  • 50 gallon drums

For bulk pricing, click "Get Volume Pricing" next to "Add to Cart". 


MA300 is available in two colors:

  • Black
  • Cream (Straw)

Technical Specifications

Mix Ratio 1:1
Viscosity 40,000 - 70,000 cP (A and B)
Working Time 3-6 minutes (75F)
Fixture Time 12-15 minutes (75F)
Shear Strength 3,000 - 3,800 psi
Tensile Strength
3,500 - 4,300 psi
Tensile Elongation 5% - 15%

Questions about Plexus® MA300? 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 1:11:1
Work Life 3 - 6 minutes3 - 7 minutes
Handling Strength 12 - 15 minutes10 - 15 minutes
Color CreamCream
Size 50ml
Shelf Life 12 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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