This standard specifies a melting point determination method based on the shape change of partially crystalline polymers - the capillary method. This standard applies to all partially crystalline polymers and their mixtures.
GB/T 16582-1996 history
2008GB/T 16582-2008 Plastics.Determination of melting behaviour (melting temperature of melting range)of semi-crystalline polymers by capillary tube and polarizing-microscope methods
1996GB/T 16582-1996 Determination of melting point of semi-crystalline polymers--Capillary tube method