... protection , pollution-free , can be recycled . The product does not contain the substances, the formaldehyde content of 0.2 , ... class B1 , the case of fire, self-extinguishing , does not produce any toxic gases. 7) Workability , and can be ... can be painted. 8) Simple installation , convenient construction , does not require complicated construction process , saving installation time and cost. 9) No ...