HG/T 4458-2012Plastics - Determination of loss of plasticizers - Activated carbon method (English PDF)
塑料 增塑剂损失的测定 活性炭法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 28, 2012
Implementation date
June 1, 2013
Scope
HG/T 4458-2012 is the English-translated version of 塑料 增塑剂损失的测定 活性炭法.
HG/T 4458-2012 is a recommended chemical industry standard of China for measuring the loss of plasticizers from plastics by the activated carbon method. It provides two test methods, designated A and B, the first of which keeps the specimen in direct contact with the activated carbon.
The document is a modified adoption of ISO 176-2005. It quotes GB/T 2918, GB/T 7141 and GB/T 9352. It carries the Chinese classification G31 and the international classification 83.080.01. Issued on 28 December 2012, it has applied since 1 June 2013.
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Document preview — HG/T 4458-2012
National Standard of the People's Republic of China
- ICS
- 83.080.01
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
1 Foreword
HG/T 4458-2012 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 28 December 2012 and has been in force since 1 June 2013.
2 Scope
This standard is a recommended chemical industry standard of China for measuring the loss of plasticizers from plastics by the activated carbon method. It provides two test methods, designated A and B, the first of which keeps the specimen in direct contact with the activated carbon. The document is a modified adoption of ISO 176-2005. It quotes GB/T 2918, GB/T 7141 and GB/T 9352. It carries the Chinese classification G31 and the international classification 83.080.01.
3 Normative references
HG/T 4458-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 2918-1998
GB/T 7141-2008 — Plastics -- Methods of heat aging
GB/T 9352-2008 — Plastic -- Compression moulding of test specimens of thermoplastic materials
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Classification and status
International classification (ICS): 83.080.01
Chinese Standard Classification (CCS): G 31
Prefix HG/T: recommended standard.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 2918-1998 — Plastics. Standard atmospheres for conditioning and testing
GB/T 7141-2008 — Plastics -- Methods of heat aging
GB/T 9352-2008 — Plastic -- Compression moulding of test specimens of thermoplastic materials
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