PLASTICS - DETERMINATION OF THE TENDENCY OF COMPOUNDS AND PRODUCTS BASED ON VINYL CHLORIDE HOMOPOLYMERS AND COPOLYMERS TO ENVOLVE HYDROGEN CHLORIDE AND ANY OTHER ACIDIC PRODUCTS AT ELEVATED TEMPERATURES - PART 2: PH METHOD (ISO 182-2:1990)
塑料基于氯乙烯均聚物和共聚物的化合物和产品在高温下溶解氯化氢和任何其他酸性产品趋势的测定第2部分:PH值法