GB/T 21300-2007
Plastics pipes and fittings-Determination of opacity (English Version)
- Standard No.
- GB/T 21300-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 21300-2007
- Scope
- This standard specifies the method for the determination of the opacity of plastic pipes and fittings. This standard applies to plastic pipes and fittings. The light transmittance values of opaque pipes and fittings are given in Appendix A. Note: In order to prevent the growth of algae, the pipes or fittings used for water transportation should be sufficiently opaque when exposed to visible light.
GB/T 21300-2007 history
- 2007 GB/T 21300-2007 Plastics pipes and fittings-Determination of opacity