Hebei Yatai Fire rod prices / Hebei window of the US expansion of fire seals

Hebei Yatai Fire rod prices / Hebei window of the US expansion of fire seals fire expansion seal, it is the original expansion of the cavernous fireproof seal replacement products, a domestic initiative. Its overall performance equal to or better than similar foreign products. Except the excellent fire expansion properties, its good flexibility, giving it excellent sealing, shock resistance. Meanwhile, the extrusion process, it can be made into various shapes according to user requirements and any length of flexible fire expansion seal, so as to provide a convenient user applications. The product is fireproof sealings an ideal building material fireproof member. Mainly used in a variety of steel fire door fire seals, such as seam and double doors opening sealed seam stop. At the same time it can be widely used in doors, fire glass strip and safe water, fire, seals and other fields between the elevator floor. 1, the expansion temperature: initial expansion temperature 246 ℃, the main expansion temperature 301 ℃; 2, multiple linear expansion: not less than the original thickness of the expandable body 3 times; 3, water resistance: no significant corrosion, swelling phenomena, the weight change rate 2%, 4, acid resistance: no significant corrosion, swelling of weight change rate of 2% in May, alkali resistance: no significant corrosion, swelling of weight change rate of 2% 6, high temperature and combustion properties: temperature to 980 ℃ and kept 30min, not combustion, ash 7, smoke Performance: refractory trials 90min, door installation seals left, right and upper side of the gap at no leak smoke, smoke properties of more than 90min. Granville County Yatai Seal Co., Ltd. / Hebei Yatai Fire rod prices / Hebei window of the US expansion of fire seals