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

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Scope

This Standard specifies the method for measuring the blackness of colour carbon black
using a reflectometer based on standard reference carbon black No. 3 (SRB3).
This Standard is applicable to all types of colour carbon black.

Basic Data

Standard ID	GB/T 7048-2012 (GB/T7048-2012)
Description (Translated English)	Colour carbon black -- Determination of blackness
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G49
Classification of International Standard	83.040.30
Word Count Estimation	6,685
Older Standard (superseded by this standard)	GB/T 7048-2003
Quoted Standard	GB/T 3780.8; GB/T 7044; GB/T 8170; GB/T 9578
Regulation (derived from)	National Standards Bulletin No. 13 of 2012
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the standard reference black No. 3 (SRB3) as a benchmark, carbon black pigment measured by reflection method for measuring blackness. This standard applies to all types of cable black color.