2019SH/T 1541.1-2019 Appearance test methods for plastic particles Part 1: Visual inspection method
2006SH/T 1541-2006 Test method for appearance of thermoplastic granules
1993SH/T 1541-1993 Appearance Test Method of Thermoplastic Granules
SH/T 1541.1-2019 Appearance test methods for plastic particles Part 1: Visual inspection method has been changed from SH/T 1541-2006 Test method for appearance of thermoplastic granules.