WARNING—Personnel using this part of GB/T 3780 should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/3780 specifies the test method for the indirect determination of the particle size of carbon black with a reflectometer. This section applies to carbon black (protection method) for rubber.
GB/T 3780.17-2008 Referenced Document
GB 3778 Carbon black for use in rubber products*, 2011-12-05 Update
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*, 2022-10-12 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*, 2008-07-16 Update