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NS EN ISO 4577 : 1ED 1999已作廢
PLASTICS - POLYPROPYLENE AND PROPYLENE-COPOLYMERS - DETERMINATION OF THERMAL OXIDATIVE STABILITY IN AIR - OVEN METHOD
出版：Norwegian Standards (Norges Standardiseringsforbund)
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基本信息
標(biāo)準(zhǔn)編號： NS EN ISO 4577 : 1ED 1999
標(biāo)準(zhǔn)類別：Standard
出版單位：Norwegian Standards (Norges Standardiseringsforbund)
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Gives a procedure to determine resistance of moulded test samples of polypropylene and propylene-copolymers to increased ageing by heat in the presence of air by use of a forced draught oven. The procedure attempts to measure the service life of components made from propylene plastics. Stability determined by the procedure is not related directly to material suitability used when different environmental conditions prevail.
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