... 1) Light weight, fire retardant and self-extinguishing, thermal insulation, soundproof and sound absorption, mould proofing, damp proof, ... resistance; non-toxic and chemical resistant 3) Tough, rigid with high impact strength; long performance life4) Non ... maintain...6) You can perform with wood and metal processing tools: cutting / sawing / shearing / punching / drilling /nailing / milling / ...