Single 50 ml cartridge of Plexus MA300

Plexus® MA300 Alternatives

MA300 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. It mixes at a 1:1 ratio, has a work time of 3-6 minutes, and is available in 50 ml and 400 ml cartridges. 

We conducted a strength test in our adhesive testing lab that compared various industry-leading MMA adhesives, including MA300. Check out the results for an in-depth comparison.

Compare Plexus MA300 Alternatives

These 3 products share similar properties and features. They are often used for the same applications.

Single 50 ml cartridge of Plexus MA300
Plexus® MA300 Methacrylate Adhesive
50ml Cartridge of MMA 300 High Performance Methacrylate Adhesive
MMA 300 High Performance Methacrylate Adhesive - 5 Minute Open Time
ASI MP 55300 Methacrylate MMA adhesive 50ml cartridge
ASI MP 55300 General Purpose Methacrylate (MMA) Adhesive
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Price $$$$ $$$$ $$$$
Type Methacrylate (MMA) Methacrylate (MMA) Methacrylate (MMA)
Brand Plexus Infinity Bond Adhesive Systems, Inc.
Mix Ratio 1:11:11:1
Work Life 3 - 6 minutes3 - 7 minutes4 - 6 minutes
Handling Strength 12 - 15 minutes10 - 15 minutes10 - 15 minutes
Color CreamCreamOff-White
Size 50 mL Cartridges
400 mL Cartridges
5 Gallon Pails
50 Gallon Drums
50 mL Cartridges
400 mL Cartridges
5 Gallon Pails
50 Gallon Drums
Shelf Life 12 months12 months6 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.

Common Applications for MA300 

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.

MA300 Cartridges

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

  • 25 ml twin cartridge
  • 50 ml twin cartridge
  • 400 ml twin cartridge

MA300 Bulk Containers

MA300 can be purchased in the following bulk containers:

  • 5 gallon pails
  • 50 gallon drums

MA300 Colors

MA300 is available in two colors:

  • Black
  • Cream (Straw)

Technical Specifications

Mix Ratio1:1
Viscosity40,000 - 70,000 cP (A and B)
Working Time3-6 minutes (75F)
Fixture Time12-15 minutes (75F)
Shear Strength3,000 - 3,800 psi
Tensile Strength3,500 - 4,300 psi
Tensile Elongation5% - 15%

Questions About Alternatives for Plexus MA300?

Our adhesive specialists can help with any questions about Plexus MA300, including helping you find the best alternative for Plexus MA300 based on the specifics of your adhesive application. We've tested hundreds (probably thousands) of adhesive products and use our experience to advise companies of all types and sizes.

Plexus® is a registered trademark of ITW Performance Polymers. is not affiliated with ITW Performance Polymers. All names and part numbers are used for comparison purposes only.