AF SLEEVE B3 for corrugated plastic pipes (diam. max 32mm)

AF SLEEVE B3 is an intumescent sleeve used to seal small diameter combustible pipe penetrations and corrugated pipes containing electrical cables, to seal formwork openings.
AF SLEEVE B3 is made of a highly thermo-expansive material which, when heated, fills the space left by the insulating coating combustion. AF SLEEVES B3 material, when expanded, can block fumes and flames, and its thermal insulation offers class EI 120/EI 180 fire protection according to European UNI EN 1366-3 standard.
AF SLEEVE B3 can be used on combustible pipes with a maximum diameter of 32 mm containing electrical cables.

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