Whether to need in the existing technology premise too much progress polystyrene foamed plastic and polyurethane hard foam flame retardancy index?
是否需要在现有的技术前提下过多地进步聚苯乙烯泡沫塑料和聚氨酯硬质泡沫的阻燃性指标?
Polyurethane foam in essence are highly flammable materials, do not make flame retardant processing the oxygen index is only 16.5%.
聚氨酯泡沫本质上属于高度易燃材料,未做阻燃处理时氧指数仅为16.5%。
The effects of water blowing agent, cross-linking agent, Isocyanate index and flame retardants on flame-retardant of the HR foam were discussed.
讨沦了水发泡剂、交联剂、异氰酸酯指数、阻燃剂等对泡沫阻燃性的影响。
Test program is finally formulated based on comparison of foam complex index of gas in the composite system combining the real situation of pilot test.
同时对复合体系中的气体进行了泡沫综合指数对比,结合矿场实际情况确定了试验方案。
ChinaAbstract: beer foam is an important index for beer quality.
摘要:啤酒泡沫是啤酒质量的一项重要指标。
The modified effect by the complex index of refraction, wind speed and foam is quantitatively analyzed.
通过考虑海面特性的修正,定量计算了复折射率、风速和泡沫等因素对亮温的修正效应。
Use of refined high viscosity index base oil, adding wear antioxidant, corrosion, metal passivation, anti-foam, anti-emulsification and other Auto.
采用精致的高粘度指数基础油,加入抗磨抗氧、防腐、金属钝化、抗泡沫、抗乳化等多种添加剂调制而成。
Use of refined high viscosity index base oil, adding wear antioxidant, corrosion, metal passivation, anti-foam, anti-emulsification and other Auto.
采用精致的高粘度指数基础油,加入抗磨抗氧、防腐、金属钝化、抗泡沫、抗乳化等多种添加剂调制而成。
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