GB/T 13663-2000
Replaced
GB/T 21300-2007
Active
National standards
GB/T 21300-2007 Plastics pipes and fittings—Determination of opacity
GB/T 21300-2007 Plastics pipes and fittings—Determination of opacity
Basic Information
Standard Code:
GB/T 21300-2007
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Plastic profiles
ICS Name:
Plastic pipes, fittings, and valves
Publish Date:
2007-12-05
Implement Date:
2008-09-01
Pages:
5 pages
Scope
This standard specifies the method for determining the opacity of plastic pipes and fittings. This standard applies to plastic pipes and fittings. The recommended transmittance values for opaque pipes and fittings are given in Appendix A.
Development Information
Adopt standards
ISO 7686:2005
Related Standards
GB/T 18251-2000
Replaced
GB/T 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds
GB/T 18252-2000
Replaced
GB/T 18252-2000 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
GB/T 18477-2001
Replaced
GB/T 18477-2001 Unplasticized polyvinyl chloride(PVC-U) double wall corrugated pipes for underground soil, waste and drainage
GB/T 18742.1-2002
Replaced
GB/T 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General
GB/T 18742.2-2002
Replaced