QB/T 2157-2012
Test method of casein finish and pigment paste for leather (English Version)

Standard No.

QB/T 2157-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Light Industry

Latest

QB/T 2157-2012

Replace

QB/T 2157-1995

Scope

This standard specifies the terms and definitions of polis ing pastes and pigment pastes for leather making, appearance, pH, solid content, vis osity, hiding power, density, fineness, color difference, light resis ance, color migration resis ance, heavy metal content, and hexavalent chromium content. test methods. This standard applies to water-based pigment dis ersions for leather coating made with pigments, dis ersants, etc. as main components.

QB/T 2157-2012 Referenced Document

• GB/T 250 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
• GB/T 251 Textiles.Tests for colour fastness.Grey scale for assessing staining
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• QB/T 4202-2011 Pigment for leather coating.Test method for the resistance to heat

QB/T 2157-2012 history

• 2012 QB/T 2157-2012 Test method of casein finish and pigment paste for leather
• 1995 QB/T 2157-1995 Test method for polishing paste and pigment paste for tanning