Shenyang Xin Shoujia Special Door Sales Tel 13700043807 Website www.sygzfhm.com area of ??about 180,000 square meters, more than 1,600 employees, including professional and technical personnel of 180 people, with an annual output of various steel entry door, building doors, fire doors, security doors 1,000,000 Tang capabilities. Companies in strict accordance with the national standard GB17565-1998 standard production technology, through the Ministry of Public Security product quality inspection, passed the ISO9001-2000 quality system certification and GB/T20041-2004idtISO14001: 2004 environmental management system demonstration. The company already has a number of national patents, particularly in the construction and design, with outstanding advantages. With the scientific design, excellent quality, excellent service, has won the trust of customers. Company staff of "unity, pragmatic, high-quality, innovative" spirit, and strive to better our products for your family to create a beautiful living space, welcome to my company make. Thick door fire resistance class the thickness of the door leaf plate thickness steel doors steel fire door filled Class Notes 1.2 h 50mm1.2 ~ 1.5mm0.8 ~ 1.2mm Perlite fire board grade B steel fire door 0.9 h 50 mm 1.2 ~ 1.5mm0.8 ~ 1.2 Perlite fire board C mm steel fire door 0.6 h 45 mm 1.2 ~ 1.5mm 0.8 ~ 1.2mm Perlite fire board grade steel fire door 1.5 h 60 mm 1.5 ~ 2.0mm 1.2 ~ 1.5mm steel Perlite fire board fasting Quality Door 45 mm1.2 ~ 1.5mm 0.8 ~ 1.2mm steel fire door insulation paper honeycomb insulation: Ⅱ level (heat transfer coefficient: k = 1.76w/m2.k); air sound insulation: Class Ⅲ (RM> 36dB) Basic parameters: 4 hours fire resistance technical parameters: heat transfer coefficient k = 1.76w/m2.k appearance parameters: Grade A wood fire was 1.2h, Grade B is 0.9h, 0.6h C of functions and features: steel fire Door reasonable structure, good integrity, high strength, easy construction, with a surface smooth and beautiful, open and flexible, durable, etc.; types into a single, double Shanping open open, there is no light and bring light to bring a variety of types to choose from. Selection Description: Frame: domestic high-quality cold-rolled steel, galvanized steel manufacture, import or plate thickness 1.2-1.5 mm, with a 4-6 bolt mounting holes. Doors: imported or domestic high-quality cold-rolled steel, galvanized steel, steel plate thickness 0.8-1.0 mm, filled with more than 1200 ℃ high temperature ceramic fiber finishes: electrostatic spray treatment, depending on the color card choice color, or imitation wood surface. Hardware: matching stainless steel fire lock (or tubewell lock), galvanized steel (or stainless steel) fire hinges, door closers, cis-bit device, all metal parts are not lower than the melting temperature of 950 ℃.