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GB/T 21300-2007Plastics pipes and fittings -- Determination of opacity (English PDF)

塑料管材和管件不透光性的测定

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

December 5, 2007

Implementation date

September 1, 2008

Scope

GB/T 21300-2007 is the English-translated version of 塑料管材和管件不透光性的测定.

GB/T 21300-2007 — This standard specifies the opacity of the plastic pipe and fittings determination. This standard applies to plastic pipes and fittings. Appendix A gives the opacity pipes and fittings Recommended transmittance values.

Note. To prevent breeding of algae, for exposure to visible light pipe or fittings water used should have sufficient opacity.

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Document preview — GB/T 21300-2007

National Standard of the People's Republic of China

ICS: 81.040.01
Classification: G 33

Issued by: Standardization Administration of China

What this standard covers1
Document data2

What this standard covers

This standard specifies the opacity of the plastic pipe and fittings determination. This standard applies to plastic pipes and fittings. This standard is equivalent to international standards ISO7686: 2005 " Plastics pipes and fittings-Determination of opacity. "

Document data

International classification (ICS): 81.040.01.

Chinese classification (CCS): G33.

Estimated length of the Chinese original: 6,610 words.

Adopted international standard: ISO 7686-2005, IDT.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

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