The fireproof glass in the fireproof door has high fire resistance, which can burn in the flame, and can achieve the effect of no blasting and no melting within a certain time. The hardness of the glass of the fire door is 6~12 times that of the float glass and 2~3 times that of the tempered glass.

ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors,  BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.