Gypsum fire performance is very good, you can rest assured that use!...
Gypsum fire performance is very good, you can rest assured that use!
Class B, Flammability; B2 grade, flammability; B3 grade, flammability, gypsum burning grade is A-class. Gypsum in the event of fire, dihydrate gypsum crystal water evaporation, heat absorption, the surface of the water-free stone is a good adiabatic body, and thus in a certain period of time, Play a fire effect.
Belong to a fireproof material.
