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| International Standard Category: Auxiliary materials and additives for plastics |
GB/T 7050-2003 Colour carbon black―Determination of tinting strength
色素炭黑 着色力的测定 ;
| Category No.: | 83.040.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2003-10-11 |
| Implemented Date: | 2004-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 3780.6-2007 Carbon black - Part 6：Determination of tinting strength |
Superseded Date: | 2008-6-1 |
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