Applications

Plexus® MA2015 White

Brand: Plexus®

Package Sizes: Cartridges: 490 mL Cartridge

Shelf Life: 6 months

Product Description

Plexus® MA2015 White is a two-part methacrylate adhesive formulated for UV and yellowing resistance in structural bonding of thermoplastics, metals, and composites. It is combined at a 10:1 mix ratio, with a working time of 15 minutes and achieves 500 psi in 32-34 minutes at 75°F (23.9°C).

This adhesive is commonly used in marine and transportation industries due to its minimal surface preparation requirements and ability to fill gaps from 0.03 to 1.5 inches, depending on laminate thickness and composition.

MA2015 White is off-white when mixed and is supplied in ready-to-use cartridges, pails, or drums. It dispenses as a non-sagging gel.


Key Features

  • UV and Yellowing Resistance: Designed for long-term color stability.
  • Fast Cure Speed: Achieves handling strength quickly for efficient production.
  • High Strength & Toughness: Provides excellent impact resistance and durability.
  • Minimal Surface Preparation: Bonds many materials without extensive surface prep.
  • Excellent Fatigue Resistance: Maintains strength under cyclic loads.
  • Moderate Work Time: Provides 15 minutes of working life.

Recommended Applications

  • Marine Industry: Bonding composite and metal components in boats and marine vessels.
  • Transportation: Structural bonding of thermoplastic and composite panels in automotive, rail, and aerospace.
  • Industrial Equipment: General manufacturing applications requiring high durability.

Typical Uncured Physical Properties

Property Part A (Adhesive) Part B (Activator)
Color Off-White White
Viscosity (cP x1000) 180 – 220 35 – 70
Density (g/mL) 0.99 1.47
Mix Ratio (by volume) 10:1
Mix Ratio (by weight) 6.35:1
VOC Content <1%

Typical Cured Physical Properties

Property Value
Color White
Shore D Hardness 72
Elongation at Break 21 – 54%
Tensile Strength (ASTM D638) 2,875 – 3,600 psi (19.8 – 24.8 MPa)
Tensile Modulus 143 – 160 kpsi (985 – 1,103 MPa)
Gap Tolerance 0.03 – 1.5 in (0.75 – 38 mm)

Performance Characteristics

Overlap Shear Strength (ASTM D1002, Typical Values)

Substrate Lap Shear Strength (psi/MPa) Failure Mode
Aluminum 6061 2,502 psi (17.3 MPa) Cohesive Failure (CF)

Cure Profile at Different Temperatures

Temperature Work Time Time to 50 psi Time to 500 psi Time to 1000 psi
60°F (15.6°C) 22 – 25 min 36 – 38 min 38 – 40 min 40 – 45 min
75°F (23.9°C) 15 – 18 min 25 – 30 min 32 – 34 min 34 – 36 min
90°F (32.2°C) 14 – 15 min 24 – 26 min 26 – 28 min 30 – 32 min

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