HG/T 2990-1999
Acid Red 4B (English Version)
- Standard No.
- HG/T 2990-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Chemical Industry
- Status
- 2011-03
- Replace By
- HG/T 2990-2010
- Latest
- HG/T 2990-2010
HG/T 2990-1999 history
- 2010 HG/T 2990-2010 Acid red B (C.I.Acid red 14）
- 1999 HG/T 2990-1999 Acid Red 4B
