Scope
This Part of GB/T 3780 specifies a method for determining the water-wash sieve residue of raw material powder from carbon black and rubber products.
This Standard is applicable to regular, untreated carbon black, colour carbon black for rubber products and raw material powder for used in rubber products. Untreated carbon black with other purpose may adopted by making reference to this Part. However, this Part may not be applicable to oil-treated carbon blacks and carbon black powder.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Part of GB/T 3780. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.