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已读[32] 发布: 2013/05/25 14:34:35
三聚氰胺还可以作阻燃剂、减水剂、甲醛清洁剂等。该树脂硬度比脲醛树脂高,不易燃,耐水、耐热、耐老化、耐电弧、耐化学腐蚀、有良好的绝缘性能、光泽度和机械强度,...
已读[33] 发布: 2013/05/25 14:33:30
该公司座落在风筝之都潍坊,公司主要生产销售:氧化镁,氢氧化镁,轻质氧化镁,活性氧化镁,氢氧化镁阻燃剂等...
已读[29] 发布: 2013/05/25 14:33:18
若HRR下降,表明阻燃性提高,这也可由EHC降低和SEA增加得到;若气相燃烧不完全,说明阻燃剂在气相中起作用,属于气相阻燃机理。若EHC无大的变化,而平均HRR下降,说明MLR...
已读[30] 发布: 2013/05/25 14:33:14
对于阻燃剂的阻燃机理,人们研究的很多,根据阻燃剂的种类和作用方式,主要有:吸水盐类的液膜隔氧学说;提高反应物之间活化能的副催化学说;封煤间裂隙、减少漏风及副...
已读[143] 发布: 2013/05/25 14:33:10
我区盐磷化工产品中间产品居多,终端产品较少,除草甘膦、分子筛、硅酸乙酯等产品外,在精细化工市场上竞争力较弱。 三是空间布局相对分散。因历史及自然原因,我区盐...
已读[25] 发布: 2013/05/25 14:33:08
因为,这种新材料与通常的高分子树脂依靠加入阻燃剂得到的材料有本质的不同,在火中不燃烧,不熔化,也不会散发有毒烟雾,并具有质轻、无毒、无腐蚀、保温、节能、...
已读[29] 发布: 2013/05/25 14:32:56
Gilroy Dispatch At around 3:30 p.m. firefighters were working on "cutting off the head," or containing the head of the fire , according to an employee from Treehaven station on Hecker Pass Road. A helicopter was also on scene releasing fire retardant over the cut hay ...
已读[31] 发布: 2013/05/25 14:32:38
NBCNews.com Amateur video of the aircraft in the air showed smoke coming from one engine, and a picture posted to Twitter by one of the passengers after landing showed the aircraft covered in fire - retardant foam. One crew from Heathrow fire station is assisting ... and more »
已读[31] 发布: 2013/05/24 14:45:28
The Birmingham Post He explained that the two 'bores' or carriageways must be separated, so the gaps between concrete pillars will be filled in and the walls given a fire retardant coating. The dazzling fluorescent light tubes will be replaced with more energy efficient ...
已读[28] 发布: 2013/05/24 14:45:19
Petside For years, manufacturers have been adding flame retardant chemical substances to a wide variety of products and building materials to reduce the flammability of certain materials or to delay their combustion. These substances are generally found in ...
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