Fireproof Fire Resistant Seals Self Adhesive Hard PVC Shell With Sodium Silicate Filling Intumescent Seals 4*20*2100mm

Features:

The fireproof seals also named fire resistant seal or intumscent seals. Some fireproof seals are made by graphite, somes are made by Sodium silicate. For this item, the main material is Sodium silicate, fill into a 4*20mm PVC square tube. It is come with the self-adhesive back, easy to install. It is used for the fireproof doors, including wooden door, metal door and some other fireproof door. The fireproof door is wildly used in Hotel, Apartment, Comercial building and most of other buildings.

This fire resistant seal will expand rapidly in high temperature or exposed to fire, and then seal the gaps between the door leaf and door frame, cut off the air circulation between two spaces. Early effectively prevent the fire smoke, toxic gas and heat which are harmful to human's body and control the fire spread. 

Specification: