pvc granules ,raw material products ,pvc compounds

Intumescent seals are a practical ,well established method of achieving fire resistance in desinate fire doors,Heat from a fire causes the intumescent material to foam and swell,thus filling the gap between the door and the frame and preventing the flow of hot gases and smoke. However, not all such seals are equal, and as concern over litigation grows, the thoughtful specifier must examine all the option to ensure that the seal chosen for each project really is the most appropriate. As the recognised leader in intumesent seal technology ,smallboss offers products of proven performance and demonstrable cost effectiveness whicn can be specified with absolute confiden.

The seals will start to expand at the temperature 260 celsius degree, and the main part expand temperature is 370 degree and it can expand 5 to 10 times.

_{pvc granules ,raw material products ,pvc compoundspvc granules for INtumesent seal , smoke seal, fire safety glazing}

try raw material    to get through more products