The selection of blowing agent and the method of modifying fire retardance of rigid polyurethane foams were briefly introduced.
简要介绍硬质聚氨酯泡沫塑料的发泡剂选择和改进阻燃性的方法。
Compared with solid aluminum alloy, thermal transportation property of foamed aluminum alloy is lower but its fire retardance is higher.
同时对致密铝合金进行分析比较，发现泡沫铝合金的传热性能低于致密铝合金，而耐火性能优于致密铝合金。
The results showed the fire retardance of PP was affected not only by flame retarding agent used, but also by melt flow ability of the PP system.
结果表明，PP的阻燃性能不仅受所用阻燃剂的影响外，还与体系的熔体流动性能具有很大关系。
A comparison is made between the two types of shims and imported equivalents with respect to the damping action, fire retardance and oil resistance.
对两种隔振垫的阻尼性能、阻燃性能、耐油性能与国外同类产品进行了比较。
The main properties of vinyl chloride-acrylonitrile copolymer, such as fire retardance, chemical resistance and heat molding property, were introduced.
叙述了氯乙烯-丙烯腈共聚物的难燃性、耐化学药剂性及热成型性等主要性能。
The fire retardance of the steel structures, designing of paint system, application technology and quality inspection standards were discussed. fire retardant paint, steel structures, painting.
讨论了钢结构的防火，并且制定涂层的设计方案、施工工艺及质量验收标准。
Mp could markedly promote the condensation process, decrease the fire resistance of melt drip and improve the flame retardance.
而MP可显著增强其凝聚相过程，有效降低材料的熔滴燃烧性，提高材料的阻燃性能。
This article reviews the advance of the modification research of MC nylon in antifriction, reinforcement, toughening, antistatic and fire-retardance.
从减摩、增强、增韧、抗静电和阻燃五个方面，综述了MC尼龙改性的研究进展。
This article reviews the advance of the modification research of MC nylon in antifriction, reinforcement, toughening, antistatic and fire-retardance.
从减摩、增强、增韧、抗静电和阻燃五个方面，综述了MC尼龙改性的研究进展。
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