This Standard specifies a method for determining the number of impurities and foreign particles in a flattened surface of poly(vinyl chloride) resin. It is not applicable to paste resins because of their finely divided state.
DS/EN ISO 1265:2007 history
2007DS/EN ISO 1265:2007 Plastics - Poly(vinyl chloride) resins - Determination of number of impurities and foreign particles