Plexus MA530 (53500 White) Full Batch/Pallet Order - Non-Sag Gel, 30-Minute MMA Adhesive for Metals & Composites

Product Name

Plexus MA530 (53500 White) Full Batch/Pallet Order - Non-Sag Gel, 30-Minute MMA Adhesive for Metals & Composites

Brief Description

Plexus MA530 is a two-part methacrylate (MMA) adhesive engineered for the structural bonding of thermoplastic, metal, and composite assemblies. It presents as a non-sagging gel with a moderate working time of 30 to 40 minutes, making it suitable for large structures. This adhesive is known for its high strength, excellent fatigue endurance, outstanding impact resistance, and superior toughness.

Popular Applications & Uses

- Structural bonding of large composite and metal structures- Deck and hull joints in marine applications- Radar arch assemblies- Installation of composite stringers and liners in fiberglass boats- Assembly of trucks, trailers, buses, and specialty vehicles- Architectural façades and exterior cladding- Signage applications- Industrial fabrication requiring strong, durable composite-to-metal bonds- Multi-material assemblies requiring flexibility and dynamic load resistance

Industries that Commonly Use It

- Marine- Transportation/ Specialty Vehicle- Construction/ Building Services- Cladding- Sign & Display- General Manufacturing- Metal Fabrication- Plastic Fabrication- Thermoforming- Industrial Supply- Distributers & Resellers- Engineering Services- PVC Trimboard (due to PVC compatibility)

Special and Unique Features

- Two-part methacrylate (MMA) chemistry for strong structural bonds- Non-sagging gel consistency, ideal for vertical and overhead applications- Moderate working time of 30-40 minutes, allowing for positioning of large assemblies- Designed for use on large structures, from small to large- Provides excellent fatigue endurance, outstanding impact resistance, and superior toughness- Achieves high strength and high elongation for robust performance- Excellent gap-filling capabilities (up to 0.70 inches or 18.0 mm)- Requires minimal or no surface preparation for many substrates- Cures quickly at room temperature- Exhibits good resistance to hydrocarbons, moderate acids, moderate bases, and salt solutions- Available in white (as specified) and gray, with the gray version being UV stable- 1:1 mix ratio simplifies dispensing and equipment requirements

Key Properties

- Chemistry: Methacrylate (MMA)- Mix Ratio: 1:1 by volume- Working Time: 30-40 minutes- Fixture Time: 90-160 minutes (reaches 500 psi in 90-110 min and 1000 psi in 150-160 min at 74˚F/23˚C)- Color: White (as specified), also available in Gray- Viscosity/Consistency: Non-sagging gel, thixotropic- Tensile Strength: 2,500 – 3,500 psi (17.2 – 24.1 MPa)- Shear Strength: 1,700 – 2,500 psi (11.7 – 17.2 MPa)- Elongation at Break: 90 - 160%, 130-170%- Gap Tolerance: 0.03 - 0.70 inches (0.75 - 18.0 mm)- Operating Temperature: -40°F to 250°F (-40°C to 121°C)- Shelf Life: 6 months (based on steady state storage between 55°F and 77°F / 13°C and 25°C)

Surface Compatibility

- Thermoplastics: ABS, Acrylics, PVC, Styrenics- Metals: Aluminum, Stainless Steel, Raw Steel (with PC120 primer), Coated Metals, Powder-coated metals, E-coated metals- Composites: FRP, Gelcoat, Phenolics, Epoxy-based composites, RIM materials, Vinyl Esters, DCPD- Urethanes (general)

Known backups / known substitutes

- SikaFast 3551- Infinity Bond MMA 530- Maven MMA530, Maven MMA560, Maven MMA590- Araldite 2023- Other Plexus MMA adhesives such as MA330, MA590, MA832, MA425, MA920, MA2230, MA2245, MA205HV, MA420FS, MA422

Comparison Note

Plexus MA530 is a highly regarded structural adhesive, particularly for large assemblies requiring a moderate open time, and is certified for low chemical emissions. It is often compared to similar two-component methacrylate adhesives like SikaFast 3551 and Infinity Bond MMA 530, all of which offer excellent tensile strength, impact resistance, fatigue endurance, and gap-filling capabilities with minimal surface preparation. While alternatives may offer a longer shelf life or lower cost, Plexus MA530 is a proven solution for critical structural joints in demanding applications.