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Home > Products > By Application > Adhesives > Acrylic Adhesive > Plexus® MA820 Structural Adhesive

Plexus® MA820 Structural Adhesive

  • Product code: MA820
  • Manufacturer: ITW Performance Polymers
  • Package size:
  • Shelf Life:
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  • Typical Properties
  • Resources
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  • Product Introduction
  • Plexus® MA820 Features
  • Plexus® MA820 Applications
  • About Prostech

Product Introduction

Plexus® MA820 is a high-performance, two-component acrylic adhesive designed for structural bonding of thermoplastics, metals, and composites. With a 10:1 mixing ratio and fast-curing properties, it offers exceptional fatigue resistance, impact resistance, and high toughness. Ideal for the transportation industry, Plexus® MA820 requires minimal surface preparation, making it a cost-effective and efficient solution for bonding composites.

Plexus® MA820 Features

  • Two-component methyl methacrylate adhesive formulated for industrial metal bonding.
  • Superior bonding properties for various metal materials.
  • Enhanced compatibility with difficult-to-bond metals such as magnesium and zinc alloys.
  • Fast curing with a short initial solidification time, improving production efficiency.
  • Electrophoresis process compatibility, making it ideal for automotive and industrial applications.

Plexus® MA820 Applications

  • Structural bonding in the transportation industry (automotive, marine, and aerospace).
  • Bonding of composite materials and thermoplastics in industrial applications.
  • Metal assembly requiring high-impact resistance and durability.
  • Manufacturing and repair of equipment where fatigue resistance is critical.
  • Electrophoresis and coatings processes requiring strong adhesive compatibility.

About Prostech

Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:

  • PCB Assembly Materials
  • Cleaning & Degreaser
  • Circuit Board Protection
  • Thermal Management Solutions
  • EMI Shielding
  • General Assembly Adhesives
  • Elastomeric Materials
  • Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines

Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.

International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
Need help selecting the right product or solution?

Contact Prostech Philippines today

Typical Properties

Material Specifications

Property Details
Operating Time 4 – 6 minutes
Fixture Time 16 – 20 minutes
Service Temperature -67°F to 250°F (-55°C to 121°C)
Gap Fill, in. (mm) 0.03 – 0.375 (0.75 – 9.5)
Mixed Density 8.10 lbs/gal (0.97 g/cc)
Mixed Viscosity 51°F (11°C)

Chemical Resistance

Resistant To Not Resistant To
Acids Strong Oxidizers
Bases (pH 3-10) Organic Solvents
Salt Solutions  

Physical Properties (Uncured)

Property Base Hardener
Viscosity, cP (x 1000) 100 – 125 50 – 70
Color Off-white Blue
Density, lb/gal (g/cc) 8.09 (0.96) 8.93 (1.07)
Mixing Ratio 10.0 1.0
Weight Ratio 8.9 1.0
Cartridge (Volume) 380ml 10-24 Mixing Nozzle

Mechanical Properties (Cured)

Test Value
Tensile Strength (ASTM D638) 2,500 – 2,800 psi (17.0 – 19.0 MPa)
Modulus (ASTM D638) 75,000 – 100,000 psi (517.0 – 689.0 MPa)
Elongation at Break (%) 90 – 110
Lap Shear Strength (ASTM D1002) 1,950 – 2,100 psi (13.2 – 14.3 MPa) (Rubber thickness 0.75 mm)

Recommended Substrates

Plastics Metals Other Materials
ABS Aluminum Polyethylene
Polycarbonate Steel (Including modified DCPD) Epoxy Resins
FRP Stainless Steel Polyurethane Resins
Acrylic    
Carbon Fiber*   (*Must use Plexus Primer for bonding.)

VOC Content & Shelf Life

VOC’s (% g/L) <2 (<20)
Material Shelf Life (Months)
Base 13
Hardener 10
Mixed Material 7
After Dispensing 7

Resources

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