This standard specifies the water washing method to determine the sieve residue of powder raw materials for rubber products. This standard applies to powder raw materials for rubber products, not to powders treated with oil.
GB/T 13647-1992 history
2016GB/T 3780.21-2016 Carbon black.Part 21:Determination of sieve residue.Water washing method
2006GB/T 3780.21-2006 Carbon black.Part 21:Determination of sieve residue for rubber compounding ingredients.Water wsahing method
1992GB/T 13647-1992 Compounding ingredients for rubber products--Determination of sieve residue-water-flushing method
GB/T 13647-1992 Compounding ingredients for rubber products--Determination of sieve residue-water-flushing method was changed to GB/T 3780.21-2006 Carbon black.Part 21:Determination of sieve residue for rubber compounding ingredients.Water wsahing method .