GB/T 9348-2008Plastics -- Poly (vinyl chloride) resins -- Determination of number of impurities and foreign particles (English PDF)
塑料 聚氯乙烯树脂 杂质与外来粒子数的测定
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
May 15, 2008
Implementation date
November 1, 2008
Scope
GB/T 9348-2008 is the English-translated version of 塑料 聚氯乙烯树脂 杂质与外来粒子数的测定.
GB/T 9348-2008 — This standard specifies the method for determining the number of impurities and foreign particles in the surface of the expanded polyvinyl chloride resin.
Since the particle paste resin too thin, this method is not used for the determination of the resin paste. Principle 2 Between the amount of resin in a rigid plate (with a white glossy paper cover) and a glass plate with a grid and flatten, count 25 squares visible in the number of impurities and foreign particles.
Results by extrapolation expressed per 100 square point of impurities (impurities and foreign particles) number.
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Document preview — GB/T 9348-2008
National Standard of the People's Republic of China
- ICS
- 83.080.20
- Classification
- G 32
- Replacing
- GB/T 9348-1988
Issued by: Standardization Administration of China
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the method for the determination of impurities and foreign particles on the surface of expanded polyvinyl chloride resin. As the particles with resin paste too small, this method is not used for the determination of resin paste.
Document data
International classification (ICS): 83.080.20.
Chinese classification (CCS): G32.
Estimated length of the Chinese original: 8,871 words.
Adopted international standard: ISO 1265-2007, MOD.
Supersedes the earlier edition GB/T 9348-1988.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 3402.2-2026Plastics - Homopolymer and copolymer resins of vinyl chloride - Part 2: Preparation of test samples and determination of properties
- GB/T 42790-2023Acrylic ester / vinyl chloride graft co-polymer resin
- GB/T 42917-2023Polyvinyl chloride resin for matt products
- GB/T 30923-2022Plastics—Polypropylene (PP) materials for meltblown
- GB/T 5761-2018Suspension polyvinyl chloride resins of general purpose
- HG/T 3791-2015Poly(vinyl chloride) resins by suspension in situ polymerization of vinyl chloride with nano calcium carbonate
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