Description
UltraLok® 310 Structural Methacrylate Adhesive is a two-part, 1:1 mix-ratio MMA adhesive designed for high-strength structural bonding of plastics, composites, and metals. Engineered for manufacturing and assembly, it combines fast fixture time, outstanding durability, and excellent resistance to impact and vibration.
With an 8–12 minute working time and room-temperature cure, UltraLok 310 provides rapid, reliable results for production environments. It’s ideal for fabricators and OEMs seeking a 10-minute class methacrylate that delivers consistent performance with minimal surface preparation.
Key Features & Benefits
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Fast Cure Speed: 8–12 minute working time; fixtures in 18–25 minutes @ 75 °F (24 °C)
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High Bond Strength: Achieves up to 4,000 psi tensile performance on metals and composites
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Versatile Substrate Compatibility: Bonds fiberglass, steel, aluminum, ABS, PVC, acrylic, polycarbonate, and more
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Minimal Surface Prep: Eliminates grinding or priming on most surfaces
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Impact & Vibration Resistant: Tough, flexible bond line maintains strength under load
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Gap-Filling Capability: Handles uneven surfaces up to 0.25 inches (6 mm)
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Simple 1:1 Mix Ratio: Easy application using standard cartridges and mix tips
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Room-Temperature Cure: No ovens or heat required
Common Applications
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Signage & Display Fabrication – Bonds clear and opaque plastics for channel letters and structural frames
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Metal Fabrication – Lightweight alternative to welds and rivets for cleaner, faster assembly
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Composite Manufacturing – Reliable for fiberglass, carbon fiber, and reinforced plastics
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Automotive & Marine Assembly – Ideal for bonding structural panels, trim, and enclosures
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Industrial & OEM Use – Great for high-throughput production requiring strong, durable joints
Technical Specifications
| Property | Typical Value | Notes / Source |
|---|---|---|
| Mix Ratio | 1:1 (Resin/Activator) | — |
| Working Time | 8–12 min @ 75 °F (24 °C) | |
| Fixture Time | 18–25 min @ 75 °F (24 °C) | |
| Tensile Strength | 2,500–4,000 psi | ASTM D638 |
| Gap Fill | Up to 0.25 in (6 mm) | — |
| Mixed Density | 8.1 lb/gal (0.96 g/cc) | — |
| Operating Temperature | 65–85 °F (18–30 °C) | — |
| Color | Translucent Amber | — |
| Shelf Life | 12 months (stored at 77 °F / 25 °C) | — |
Chemical Resistance
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Excellent Resistance to: Hydrocarbons, mild acids & bases, vinegar, household foods
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Avoid Prolonged Exposure to: Strong acids, strong bases, and polar solvents
Compatible Substrates
Aluminum • Steel • Stainless Steel • Fiberglass • ABS • PVC • Acrylic • Polycarbonate • Phenolics • Polyurethane • Epoxy
Compliance & Safety
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Industrial-grade formulation
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RoHS compliant
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Non-UV stable (may yellow slightly over time without affecting performance)
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Refer to SDS for safe handling, storage, and use
Packaging & Ordering Information
Available in multiple cartridge and SmartPak configurations:
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50 ml Cartridge – Ideal for small assemblies or sample testing
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400 ml Cartridge – Standard production size for general use
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Mini SmartPak (600 ml) – Eco-friendly dual pack for reduced waste
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XL SmartPak (1200 ml) – Large-volume option for continuous assembly
Related UltraLok 1:1 Formulations
The UltraLok 300 Series provides multiple 1:1 MMA formulations with different working times, strengths, and flexibility options to fit any manufacturing requirement.
| Product | Mix Ratio | Working Time | Fixture Time | Elongation | Lap Shear Strength | Description |
|---|---|---|---|---|---|---|
| UltraLok UL300 | 1:1 | 3–6 min | 10–15 min | 20–30% | 3,000+ psi | Acrylic rubber-toughened 5-minute structural adhesive |
| UltraLok UL305 | 1:1 | 2–4 min | 6–8 min | 15–25% | 3,000+ psi | Fast version of UL300 for rapid bonding |
| UltraLok UL310 | 1:1 | 8–12 min | 18–25 min | 10–20% | 3,000+ psi | Hard-to-bond surfaces; 10-minute working time |
| UltraLok UL330 | 1:1 | 18–25 min | 35–50 min | 10–20% | 3,000+ psi | Slower-curing version of UL310 for extended working time |
| UltraLok UL350 | 1:1 | 28–35 min | 60–70 min | 25–40% | 2,500+ psi | Medium-working-time 30-minute structural acrylic |
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Need help selecting the best UltraLok adhesive for your application?
Contact our adhesive experts at 800-220-1966 or [email protected] for technical guidance and ordering assistance.
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