| 摘要 |
A composite stair board includes at least a main body (100), which comprises in an order from the top down a wearing and pattern layer (120) of colorless and flexible flame-retardant panel, a base layer (130) of medium-high density fibreboard and a bottom layer (140) of equilibrium paper. The composite stair panel has wear-resistant property, good appearance and is not liable to deform. |
