GB/T 21777-2008 is a Chinese national standard that specifies a general test method for chlorinated polymer Resin in paint bases for Paints and varnishes. The standard applies to chlorinated rubber and vinyl chloride copolymers and covers a variety of test items, including color number, viscosity, density and chlorine content. The implementation of the standard aims to ensure the mass and performance of Coatings products and promote the standardized development of the industry. The standard is equivalent to the international standard ISO 11668:1997, which reflects the international technical requirements and provides a unified testing basis for relevant enterprises.
| Status | Active |
|---|---|
| CCS | A80 | ICS |
| Release Date | 2008-05-12 00:00:00 | Implementation Date | 2008-09-01 00:00:00 |