The fireproof door core is non-toxic and harmless during production and use, and does not endanger human health, so it belongs to Class A1 incombustible material. The compressive strength of the fireproof door core is ≥ 0.4 mpa, the bending strength is ≥ 0.25 mpa, and the weight is generally between 200~350 kg, which can meet the requirements of various fireproof doors for filler materials.

ZHTdoors kofofin wuta, shekaru 31 na ƙwarewar samarwa a cikin kofofin wuta da Windows. Babban UL wuta kofofin, EN wuta kofofin, BS EN wuta kofofin, da dai sauransu,.Muna da certification.ZHTdoors goyon bayan OEM da free design.Our abũbuwan amfãni: kyau quality, factory farashin, mai kyau service.Barka da tuntubar mu.