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GB/T 34693-2017Plastic - Chlorinated poly(vinyl chloride)resins (English PDF)

塑料氯化聚氯乙烯树脂

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 1, 2017

Implementation date

May 1, 2018

Scope

GB/T 34693-2017 is the English-translated version of 塑料氯化聚氯乙烯树脂.

GB/T 34693-2017 is the Chinese standard "Plastic - Chlorinated poly(vinyl chloride)resins". Its scope clause reads: This standard specifies the chlorinated polyvinyl chloride resin requirements, test methods, inspection rules, signs, packaging, transportation and storage.

This standard applies to chlorinated polyvinyl chloride resin obtained by the chlorinated polyvinyl chloride resin. Its clauses include requirements; test methods.

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Document preview — GB/T 34693-2017

National Standard of the People's Republic of China

ICS: 83.080.20
Classification: G 32

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 requirements
4 test methods

1 Scope

This standard specifies the chlorinated polyvinyl chloride resin requirements, test methods, inspection rules, signs, packaging, transportation and storage.

This standard applies to chlorinated polyvinyl chloride resin obtained by the chlorinated polyvinyl chloride resin.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 191 Packaging - Pictorial signs

GB/T 2914 Determination of vinyl chloride homopolymer and copolymer resin volatiles (including water)

General Principles of Sampling for Solid Chemical Products GB/T 6679-2003

Plastics - Determination of chloride content of homopolymer and copolymer of vinyl chloride

GB/T 8170 rounded repair rules and limit values of the representation and judgment

GB/T 9348 Plastics - Determination of Impurities and Exotic Particles of Polyvinyl Chloride

Plastics - Determination of apparent density of vinyl chloride homopolymer and copolymer resins

GB/T 34694 Determination of residual chlorine content in plastic chlorinated polyvinyl chloride resin Potentiometric titration method

JJF1070 quantitative measurement of net content of packaged goods inspection rules

3 requirements

3.1 Appearance

White powder.

3.2

Physicochemical properties should meet the requirements of Table 1.

Table 1 Physical and chemical properties requirements project model

Extrusion molding index

Chlorine content /% >= 65.0

Impurity particles/a <= 30

Apparent density/(g/mL) 0.50 to 0.70 0.55 to 0.73

Residual chlorine/(µg/g) <= 150

Volatiles (including water) /% <= 0.40

4 test methods

4.1 appearance

Visual observation under natural light.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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