INTUMESCENT ACRYLIC MASTIC
DESCRIPTION
A halon-free, intumescent mastic with good adhesion to all materials. Available in standard colours brown, grey, and white (other colours available). Supplied in 310 ml tubes.
USE
For fire stopping gaps from 1mm up to 60mm wide. For wider gaps, fit Product 40 (fireproof sponge) into the gap first. After application, a skin forms that allows painting, but the material stays permanently flexible. It is a low-pressure material with good cooling ability for metals, and expands up to five times its volume in a fire. Ideal for use horizontally or vertically around exit door frames, cable trays, ducting, and partitions.
PERFORMANCE
This product has been used in numerous fire resistance tests employing the general procedures and criteria of BS476 Part 22 (1987). Integrity ratings of up to 249 minutes were achieved. Also tested to European Standard EN1363-1 (2000), achieving 126 minutes.
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