... ceilingCertificateISO9001:2000,,ROHS European Standard EN132452:2005SONCAPWeight 2.3kg,2.5kg,2.75kg,3.12kgFetureswearing resistence, water proof, ... 10mm,12mm.6)Weight:1.8kg,2.0kg,2.4kg,2.6kg,2.7kg for per square meter7)PVC%: ... ceilingCertificateISO9001:2000,,ROHS European Standard EN132452:2005SONCAPWeight 2.3kg,2.5kg,2.75kg,3.12kgFetureswearing resistence, water proof, ... wall panel with middle groove