Brand: Devcon®
Package Sizes:
Shelf Life:
Devcon® Devweld™ 531 is a two-part, 1:1 methacrylate adhesive designed for structural bonding of thermoplastics, metals, and composite assemblies. It provides high strength and stiffness while effectively adhering to difficult-to-bond materials. This adhesive requires no surface preparation, cures at room temperature, and offers excellent resistance to weathering and humidity.
✅ No Surface Preparation: Bonds metals and plastics without primers.
✅ High Strength & Toughness: Excellent shear, peel, and impact resistance.
✅ Gap-Filling Properties: Bonds gaps up to 4 mm.
✅ Durability: Weather and humidity resistant for long-term performance.
✅ Non-Sagging Formula: Allows for easy vertical applications.
🔹 Automotive & Transportation: Bonding metal and plastic parts in vehicle manufacturing.
🔹 Industrial Manufacturing: Used for assembling composite and thermoplastic structures.
🔹 Marine & Outdoor Applications: Withstands moisture and environmental exposure.
🔹 Plastic & Composite Bonding: Ideal for PVC, ABS, acrylics, fiberglass, and engineered plastics.
| Property | Part A (Adhesive) | Part B (Activator) |
|---|---|---|
| Color | Off-White | Yellow |
| Viscosity (cP) | 40,000 – 60,000 | 40,000 – 60,000 |
| Mix Ratio (by volume & weight) | 1:1 | 1:1 |
| Density (g/cc) | 1.03 | 0.97 |
| Mixed Density (g/cc) | 1.00 | – |
| Flash Point (°C) | 9 | 9 |
| Property | Time |
|---|---|
| Working Time | 15 – 18 min |
| Fixture Time | 30 – 35 min |
| Full Cure | 24 hours |
| Property | Value | Standard Test |
|---|---|---|
| Tensile Strength (MPa) | 27 – 31 | ASTM D638 |
| Lap Shear Strength (MPa) | 20 – 24 | ASTM D1002 |
| Elongation at Break (%) | 5 – 15 | ASTM D638 |
| Modulus (MPa) | 1034 – 1206 | ASTM D638 |
| Gap Fill (mm) | 1 – 4 | – |
| Service Temperature (°C) | -55 to 121 | – |
| Chemical Type | Resistance |
|---|---|
| Hydrocarbons | Excellent |
| Acids & Bases (pH 3-10) | Very Good |
| Salt Solutions | Excellent |
| Polar Solvents & Strong Acids/Bases | Poor |
✔ Plastics: PVC, ABS, Acrylics (PMMA), PET, Vinyl Esters, PBT, Epoxy, Gelcoats
✔ Metals: Aluminum, Stainless Steel, Carbon Steel, Coated Metals (E-Coat)
✔ Composites: Fiberglass, Phenolics, Polysulfone
Note: For aluminum and stainless steel, it is recommended to use Metal Prep 90 primer for enhanced bonding.
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Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
We are expert in import and export of adhesives, accessories and equipment in both domestic and cosmetic industrial fields, production and technology research and development.
Our solutions promise to bring best optimal effectiveness along with competitive prices, excellent customer services, dedicated on-site support.
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