High quality seal doors and windows smoke fire door wooden door red

Product Description

Fire swell seals, mainly used in steel doors and wooden doors between the doors and door frames, doors and door. When the fire automatic fire expansion seal swell, blocking the door gap, blocking the flow of air space between the two, effectively preventing the early fire smoke, toxic gases and heat on the human body and control the spread of fire. The seal can be affixed with adhesive inside fire door recess (already posted good stickers), also used a small nail in the fire door recess. Applications of the product replaces the previous domestic fire door gap with asbestos rope and the national fixed fire extinguishing systems and fire Component Quality supervision and Testing Center, the indicators are qualified. Users are welcome to negotiate!
GB is 2 mm thick, the width of ****0 mm can be produced; according to customer demand to produce non-standard 1.5mm, 5mm thick fireproof article! Normal fire of expansion is three times its own production expansion can also according to customer needs ***0 times, please rest assured that the majority of new and old customers to order!