PVC foam board hi plastic material rit lo tak thar a ni a, PVC chu a raw material ber a ni. PVC foam board hi special foaming process hmanga siam a ni a, chu chu free foam emaw celuka emaw a ni. PVC foam board hi a tui lo, a refractory (self-extinguishing), a danglam thei lo, a toxic lo, a anti-aging theihna a ni. Chutih lai chuan E a nei e .