Plexus® MA300 Methacrylate Adhesive

About ITW Plexus MA300 Adhesive

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 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. If you have questions about the capabilities of MA300, don’t hesitate to ask your questions using the question form below.

MA300 Available Sizes

Cartridges

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". 

Colors

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%

 

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