GB/T 7048-2026 Active 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

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Basic Information

Standard Code: GB/T 7048-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Carbon black

ICS Name: Rubber synthetic ingredients

Publish Date: 2026-02-27

Implement Date: 2026-09-01

Pages: 16 pages

Scope

This document describes the method for determining the blackness (darkness, brightness, and hue) of pigment carbon.
This document is applicable to the determination of the blackness of pigment carbon.

Development Information

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

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GB/T 12827-1991 Replaced

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GB/T 13021-1991 Replaced

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