Description
Plexus MA300 Structural Adhesive – 400ml Cartridge
Plexus MA300 Methacrylate Structural Adhesive is a fast-curing, high-strength, two-part MMA adhesive developed for the permanent structural bonding of metals, composites, and thermoplastics. Designed for use in demanding industrial, marine, automotive, and fabrication environments, MA300 delivers exceptional bond strength, durability, and production speed.
With a working time of 10–15 minutes and handling strength achieved in approximately 20–25 minutes, Plexus MA300 is ideal for high-throughput assembly, rapid repairs, and production environments where downtime must be minimised. Once cured, it provides excellent resistance to impact, peel, fatigue, vibration, and thermal cycling, ensuring long-term performance under stress.
Supplied in a 400ml dual cartridge, this adhesive is compatible with manual and pneumatic dispensing guns and static mixer nozzles, allowing for accurate mixing and clean, controlled application.
✅ Key Features & Benefits
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Fast-curing two-part methacrylate (MMA) adhesive
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Working time: 10–15 minutes
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Handling strength in approx. 20–25 minutes
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Exceptional structural bond strength
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Excellent impact, peel & fatigue resistance
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Withstands vibration & thermal cycling
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Minimal surface preparation required
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Excellent resistance to moisture, fuels & many chemicals
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400ml cartridge ideal for workshop & production use
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Compatible with manual & pneumatic applicators
🧱 Typical Applications
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Bonding metals, GRP, ABS, PVC, acrylics & composites
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Marine fabrication & repair
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Vehicle panels, enclosures & structural frames
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Sign manufacturing & display assembly
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Industrial equipment fabrication
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Composite component bonding
🧪 Technical Overview
| Property | Detail |
|---|---|
| Base Chemistry | Methacrylate (MMA) two-part system |
| Mix Ratio | 1:1 by volume |
| Working Time | 10–15 minutes |
| Fixture / Handling Time | ~20–25 minutes |
| Shear Strength | Up to 18 MPa (steel to steel) |
| Operating Temperature | -55 °C to +120 °C |
| Colour | Off-white |
| Packaging | 400 ml dual cartridge |
📘 MA300 vs MA310 – Which One Should You Use?
Not sure whether MA300 or MA310 is right for your application?
👉 Read our full comparison guide here: Plexus MA300 vs MA310 Blog
https://www.adsupply.co.uk/blog
✅ Why Choose Plexus MA300?
Plexus MA300 is the ideal solution when you need:
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Fast cure + structural strength
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High durability under vibration & temperature stress
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Reliable bonding of mixed materials
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Minimal surface preparation
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Production-ready performance
Read our blog Plexus MA300 vs MA310: Which Structural Adhesive Is Right for Your Project?
