security door

This kind of fire resistant glazing door is one of the security door. The character is followed: Strictly produced with the British Standard BS476 Part22:1987, door frames, doors, door glass and metal sealing accessories on fire resistant door have all reachedor surpassed the British standard.Ithas passed a number of inspections British Standard BS476 Part22:1987.All the products are in line with the safety requirements of the Fire Services Department and Buildings Department in Hong Kong.It also can be used in all countries and regions authorized by standard BS476 Part22:1987. Fire proof timing is half a hour, one hour, two hours; Thickness of Fire glass E series: 6mm, 8mm, 10mm, 12mm, 19mm; EI series, 25mm, 42mm. etc.