HG/T 6497-2026Vulcanizing accelerator - 1,3-diethylthiourea (DETU) (English PDF)
硫化促进剂 1,3-二乙基硫脲（DETU）
Also coversHG/T6497-2026 + HGT6497-2026
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Issued by
Ministry of Industry and Information Technology
Level / Type
Industry · Recommended
Issue date
April 16, 2026
Implementation date
November 1, 2026
Scope
HG/T 6497-2026 is the English-translated version of 硫化促进剂 1,3-二乙基硫脲（DETU）.
HG/T 6497-2026 deals with the vulcanizing accelerator 1,3-diethylthiourea (DETU). Vulcanizing accelerators are chemicals added to rubber compounds to speed up vulcanization, and DETU is one of the thiourea-type products used for this purpose. The document is a product standard that sets the basis on which the accelerator is described, tested, inspected and supplied.
Producers of rubber chemicals, rubber product manufacturers that buy the accelerator, and testing laboratories can use it for specification, acceptance and quality control. It is voluntary, as the /T in the code shows. The Ministry of Industry and Information Technology issued it on 16 April 2026, and it takes effect on 1 November 2026. It is a new standard and does not replace an earlier edition.
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Document preview — HG/T 6497-2026
National Standard of the People's Republic of China
- ICS
- 83.040.20
- Classification
- G71
Issued by: Ministry of Industry and Information Technology
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
HG/T 6497-2026 is a recommended industry standard of the People's Republic of China in the Chemical Industry sector, approved and issued by the Ministry of Industry and Information Technology on 16 April 2026, with effect from 1 November 2026.
It is administered by the Chemical Additives Subcommittee of the National Technical Committee for Rubber and Rubber Products Standardization.
Classification: ICS 83.040.20; CCS G71.
1 Scope
HG/T 6497-2026 deals with the vulcanizing accelerator 1,3-diethylthiourea (DETU). Vulcanizing accelerators are chemicals added to rubber compounds to speed up vulcanization, and DETU is one of the thiourea-type products used for this purpose. The document is a product standard that sets the basis on which the accelerator is described, tested, inspected and supplied.
Producers of rubber chemicals, rubber product manufacturers that buy the accelerator, and testing laboratories can use it for specification, acceptance and quality control. It is voluntary, as the /T in the code shows. The Ministry of Industry and Information Technology issued it on 16 April 2026, and it takes effect on 1 November 2026. It is a new standard and does not replace an earlier edition.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
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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