90 Minute Fire Door With Glass,54mm Fire Door Weight,Fire Door U Value

Aya dua rupa panto kaca fireproof, baja jeung stainless steel. Stainless steel mangrupakeun salah sahiji populér di pasar, kalawan rupa-rupa kelir. Waktu lalawanan seuneu tina Kelas A, B jeung C panto kaca fireproof nyaeta 1.5 jam, 1 jam jeung 0.5 jam mungguh.

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