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Sumitomo Electric Industries Ltd
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Sumitomo Electric Industries Ltd
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Application filed by Sumitomo Electric Industries LtdfiledCriticalSumitomo Electric Industries Ltd
Priority to JP5011177ApriorityCriticalpatent/JPS53136686A/en
Publication of JPS53136686ApublicationCriticalpatent/JPS53136686A/en
PURPOSE: To enhance fire spread prevention performance of an insulated electric cable using a readily combustible plastic material with an oxygen index of 21 or below as the insulator by cobering the outer layer with a highly incombustible resin composition with an oxygen index of 40 or above as a sheath.
Flame-retarded, smoking resistant and moldable polyolefin compositions and a process for polymerizing then flame-retarded, smoking resistant and moldable polyolefin compositions and a process for polymerizing them