GB/T 7048-2026 Pending National standards

GB/T 7048-2026 Colour black—Determination of chrominance

Publish Date: 2026-02-27 Implement Date: 2026-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7048-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Carbon black

ICS Name: Rubber synthetic ingredients

Publish Date: 2026-02-27

Implement Date: 2026-09-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国橡胶与橡胶制品标准化技术委员会 (SAC/TC 35)

Pages: 16 pages

Scope

本文件描述了色素炭黑色度（黑度、明度及色相）的测定方法。
本文件适用于色素炭黑色度的测定。

Development Information

Drafting Units:

山西龙星新材料科技发展有限公司、中昊黑元化工研究设计院有限公司、山西安仑化工有限公司、山东华东橡胶材料有限公司、嘉峪关大友嘉能精碳科技股份有限公司、中化石油化工研究院(泉州)有限责任公司

Drafting Persons:

侯贺钢、刘健、代传银、薛亚磊、王晓燕、于建红、陈恺赫

Word Count: 17 Thousand words Pages: 16 pages

Replace the following standards

GB/T 7048-2012 Colour carbon black—Determination of blackness

Referenced Standards

GB/T 3780.8-2002 Carbon black—Determination of heating loss GB/T 3780.8-2008 Carbon black—Part 8:Determination of heating loss GB/T 3780.8-2019 Carbon black—Part 8:Determination of heating loss GB/T 7044-1993 Colour black—Specification GB/T 7044-2003 Colour carbon black GB/T 7044-2013 Colour carbon black GB/T 7044-2022 Colour carbon black GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

Related Standards

GB/T 11409.4-1989 Replaced

GB/T 11409.4-1989 Test method of weight loss on heating for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.5-1989 Replaced

GB/T 11409.5-1989 Test method of residue on sieve for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.7-1989 Replaced

GB/T 11409.7-1989 Test method of ash for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.8-1989 Replaced

GB/T 11409.8-1989 Test method of viscosity for rubber antiagers and vulcanizing accelerators—Rotational viscometer method

Publish Date: 1989-03-31

GB/T 12827-1991 Replaced

GB/T 12827-1991 Standard reference acetylene black and standard practice for evaluation

Publish Date: 1991-04-23

GB/T 13021-1991 Replaced

GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis

Publish Date: 1991-07-03