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 menyako ea mollo, lilemo tse 31 tsa boiphihlelo ba tlhahiso menyakong ea mollo le Windows. Menyako e ka sehloohong ea mollo oa UL, mamati a mollo oa EN, mamati a mollo a BS EN, joalo-joalo,.Re na le setifikeiti.ZHTdoors tšehetso OEM le mahala moralo.Melemo ea rona: boleng bo botle, theko ea fektheri, tšebeletso e ntle.Rea u amohela ho buisana le rona.