BS 2782-6.620A.D:1991现行
Methods of testing plastics. Dimensional properties. Determination of density and relative density of non-cellular plastics. Methods 620A to 620D:Determination of density and relative density of non-cellular plastics
出版：British Standards Institution
专家解读视频
Four methods for plastics in the form of sheet, film, tube, powder, granules, etc .
© British Standards Institution 2013
Replaced by notes:
Partially replaced by BS EN ISO 1183-1:2004 and BS EN ISO 1183-2:2004.
Amendment notes:
AMD 14474 published 26 September 2003
AMD 10747, September 2001 (not available separately). AMD 14474 reinstates Methods A and B deleted by AMD 10747
Document identifier notes:
Formerly BS 2782-6:Methods 620C and 620D:1991. Methods A and B reinstated.
ISO 1183:1987 - Identical
