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 protupožarna vrata, 31 godina iskustva u proizvodnji protupožarnih vrata i prozora. Glavna UL protupožarna vrata, EN protupožarna vrata, BS EN protupožarna vrata, itd. Imamo certifikate. ZHTdoors podržavaju OEM i besplatan dizajn. Naše prednosti: dobra kvaliteta, tvornička cijena, dobra usluga. Dobrodošli da nas konzultirate.