This document describes the method for determining the chrominance (blackness, lightness, and hue) of colour carbon black. This document applies to the determination of the chrominance of colour carbon black.
Basic Data
Standard ID
GB/T 7048-2026 (GB/T7048-2026)
Description (Translated English)
Colour black - Determination of chrominance
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
G49
Classification of International Standard
83.040.20
Word Count Estimation
14,190
Date of Issue
2026-02-27
Date of Implementation
2026-09-01
Older Standard (superseded by this standard)
GB/T 7048-2012
Issuing agency(ies)
State Administration for Market Regulation, Standardization Administration of China
