3M™ Scotch-Weld™ Structural Void Filling Compounds EC-3550 B/A FST (Fire Smoke Toxicity) is two-part, low-density, flame-retardant epoxy compounds that can be stored, applied and cured at room temperature.
£50.86 excl VAT
£61.03 inc VAT
No stock - lead time 17 days
UN Number: UN3077 CL9 & 3263 CL8 III/III
£50.86 + VAT
£48.32 + VAT
£47.05 + VAT
£45.77 + VAT
Features of 3M EC-3550:
- 100% solids.
- Base is brown with black spots; accelerator is off-white.
- Meets the flammability requirements of J.A.R./F.A.R. 25.853 (a).
- Meets Airbus stand-alone FST requirement.
- Available in duo-pack cartridges with static mixing nozzle or in bulk pumpable kits.
- Thixotropic properties for ease of application.
- Excellent sag resistance.
- Scotch-Weld EC-3550 B/A FST: Sandable & machinable within twelve hours at 75°F (23°C) of mixing or 1/2 hour at 175°F (80°C).
- Cures to a strong, low-density material within 48 hours at 75°F (24°C) or one hour at 175°F (80°C).
- Service temperature of -65°F to 212°F (-55°C to 100°C).
- Seals honeycomb panel edges and provides impact resistance to panel.
Scotch-Weld EC-3550 B/A FST is non-sag, non-brittle compounds designed for void-filling, edgesealing/close-out, corner reinforcement, local reinforcement for mechanical fixation and complex gap-filling in honeycomb sandwich structures. The cured materials meet 14 CFR 25.853 (a) and Airbus Directive (ABD) 0031. Scotch-Weld 3550 B/A FST Compounds are available in dual-chamber cartridges and bulk kits for use with pneumatic dispensers and bulk pumping equipment.
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