Flame-retardant hollow board is made by adding flame-retardant masterbatch to plastic raw materials. It has superior performance, can prevent burning due to fire, better protect people and property, avoid economic loss caused by fire, and flame retardant. The importance of real life can not be ignored, so more and more enterprises choose flame retardant hollow board, flame retardant hollow board has three levels of V0-V2, customers can choose according to their own needs.