BS 2782-5 METHOD 509 TO 512:1958 Methods of testing plastics. Methods 509, 510, 511 and 512 density, carbon black dispersion, migration of plasticizer and thickness and weight per unit area
1961BS 2782-5 METHOD 509 TO 512:1958 Methods of testing plastics. Methods 509, 510, 511 and 512 density, carbon black dispersion, migration of plasticizer and thickness and weight per unit area