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!

1 expansion temperature: the initial expansion temperature of 199 , the main expansion temperature 347 ; 

2 multiple linear expansion: expansion of the original thickness of greater than or equal to three times; 

(3) high temperature and combustion performance: 980  temperature rise and remain 30min, no burning, no ash; 

4 smoke Performance: fire test conducted 72min, left door seal installed, on the right side of the gap and no significant leakage of smoke, smoke performance more than 72min; 

5 resistance to environmental capacity: expansion rate unchanged for 5 years at room temperature, 90 humidity conditions; 

 

Note: Fire expansion when heated to seal in the rapid expansion of the closed door, window cracks to prevent smoke and heat fleeing to ensure personal safety.

GB is 2 mm thick, the width of 10-30 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 8-20 times, please rest assured that the majority of new and old customers to order!