This standard establis es the test method to determine the number of impurities and foreign particles in a volume of Poly (vinyl chloride) (PVC) resin crushed to form a determined surface. This standard is not applicable to waste for PVC paste due to its higher degree of fineness.
NC 30-66-1987 history
1987NC 30-66-1987 Plastics Ináustry. Determination of the Number of Impurities and Strange Partióles in Poli (Polivinyl Chloride). Testing Methods