Plexus MA530 (53000 Gray) Non-Sag Gel, 30-Minute MMA Adhesive for Metals & Composites Gray

Description

Plexus MA530 (53000 Gray) is a non-sag MMA adhesive designed for dependable structural bonding of metals, thermoplastics, and composite materials. Featuring a UV-stable gray formulation, this adhesive delivers consistent performance in applications where durability, chemical resistance, and long working time are critical.

With a 30-minute working time and approximately 45 minutes for handling strength, Plexus MA530 enables precise alignment and controlled assembly on complex or large-scale projects. Its gel consistency prevents sagging or run-off, making it well-suited for vertical surfaces and uneven joints.

Mixed at a 1:1 ratio, Plexus MA530 offers predictable cure behavior and reliable joint development. After application, it reaches approximately 75% of its strength in 45 minutes, supporting an efficient workflow and consistent production timelines.

The product is commonly used in fabrication, repair, and manufacturing environments where impact-resistant bonding and controlled gap filling are required. Its extended working time supports accurate placement of bonded components before curing begins.

Plexus MA530 provides excellent resistance to acids and bases (pH 310) as well as salt solutions. It is susceptible to polar solvents, strong acids and bases outside the stated range, and hydrocarbons, including gasoline and diesel fuels. Understanding these performance characteristics helps ensure proper material selection for demanding industrial environments.

A white version (53500) is available in full-pallet quantities. Approved substitute materials include:

• Maven MMA530 (available in 50ml, 400ml, Quart and Gallon Kits)

• Maven MMA560 (available in 50ml, 400ml, Quart and Gallon Kits)

• Maven MMA590 (available in 50ml, 400ml, Quart and Gallon Kits)

• Araldite 2023 (available in 380ml, and 10-Gallon Kits)

Applications

• Structural bonding of metals and composite materials

• Bonding thermoplastics in industrial and manufacturing environments

• Assembly of fiberglass (FRP) and gel-coated components

• Fabrication and repair of polyester and vinyl ester parts

• Bonding of acrylic, ABS, PVC, and styrenic plastics

• Gap-filling joints in uneven or irregular assemblies

• Applications requiring controlled working time for precise alignment

• Projects exposed to UV light and outdoor environments

• Assemblies requiring chemical and water resistance

Features

• Non-sag gel MMA adhesive for vertical and overhead applications

• Designed for professional structural bonding

• 30-minute working time for extended assembly time

• Reaches handling strength in approximately 45 minutes

• UV-stable gray formulation resists fading and degradation

• Excellent resistance to water, acids, bases (pH 310), and salt solutions

• Room temperature cure

• 1:1 mix ratio for consistent dispensing

• Gap-filling capability from 0.03 in. to 0.375 in. (0.75 mm to 10 mm)

• Operating temperature range: -40F to 250F (-40C to 121C)

• Mixed density: 8.19 lbs/gal (0.98 g/cc)

• Flash point: 51F (11C)

Recommended for Materials:

ABS, Acrylics, FRP (fiberglasses), Gelcoats, PVC, Polyesters (including DCPD modified), Styrenics, Urethanes, Vinyl Esters

Chemical Resistance:

Excellent resistance to: Acids and Bases (pH 3-10), Salt Solutions

Susceptible to: Polar Solvents, Strong Acids and Bases, Hydrocarbons (including gasoline and diesel fuels)