Soft membrane: Made from PVC, absolutely free of cadmium; M1 fireproof rating; shaped after one or more cuttings and finished by high frequency welding; pre-made in the factory in accordance with shape and size obtained by field measuring.
化學性質:屬于聚氯乙烯材料。
Chemical character: PVC material.
對于火的反應:阻燃,在國際均屬M1級別,且在中國已通過全球性防火測試。
Reaction to fire: M1 fire-retardant grade by international standard: pass national level fire testing.