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US4529467A Fire protective intumescent mastic composition and method employing same 失效
防火膨胀乳胶组合物及其使用方法

Fire protective intumescent mastic composition and method employing same
摘要:
An intumescent curable composition has as its principal constituents an epoxy resin; a curing agent; and an additive component which is composed of a mixture of materials which provide a source of phosphorus, zinc, boron and an expansion gas. The aforesaid composition is capable of forming a carbonaceous char upon exposure to heat or flame.
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