self-propelled flame-thrower

A polyurethane sealing tape which was self-adhesive flame-retarding was prepared with polyether, TDI, MDI flame retardant.

以聚醚 、 TDI 、 MDI、阻燃剂等制得一种具有自粘性、阻燃性的密封胶带.

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Self-adhered modified asphalt waterproofing membrane for flame retardancy with difierent flame retardant were prepared, and the Oxygen index and physical properties were investigated.

采用添加复合阻燃剂的方法制备了阻燃型自粘改性沥青防水卷材，并考察了其氧指数和物理性能。

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Large steel funnel with self-closing cover and 32 " flame arrester. "

大口径的钢制漏斗, 带有自 闭盖,32''阻火器设计.

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Self fluxing iron base alloys containing rare earths have been prepared. The self fluxing performance of these alloys in oxygen acetylene flame spray welding has been observed in detail.

制备了含稀土的铁基自熔合金并考察了这种自熔合金在氧－乙炔火焰喷焊过程中的自熔性。

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The results showed that flame retardant had a effect on physical properties determinately, and flame retardant of self-adhered modified asphalt waterproofing membrane was obviously improved simultaneously.

结果表明：阻燃剂对自粘改性沥青防水卷材的物理性能有一定的影响，但其阻燃性能却显著改善。

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