FIRE RATED PLYWOOD
Fire rated plywood is designed to resist burning and withstand heat. Fire rated ply burns slowly giving its occupants sufficient time to egress from the structures. It is manufactured by impregnation of fire retardant chemicals through vacuum pressure .fire rated plywood conforms to IS 5509.
Flammability – when tested the time taken for second ignition will not be less than 25minutes.
Flame penetration – when tested the time taken for penetration will not be less than 15minutes for every 6mm thickness
Rate of burning – when tested the time taken to lose weight from 30% to 70% will not be less than 20 minutes