Leather – Tests for Colour fastness – Colour fastness to rotational rubbing
1 Scope
This document describes the test method for determining the colour fastness to rotational rubbing of leather.
This document is applicable to the determination of colour fastness to rotational rubbing of various types of leathers and leather products.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
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 6151 Textiles - Tests for colour fastness - General principles of testing.
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 42165 Leather - Tests for colour fastness - Colour fastness to perspiration
QB/T 2707 Leather - Physical and mechanical tests - Sample preparation and conditioning
3 Terms and definitions
No terms and definitions are listed in this document.
4 Principle
Under the specified pressure, the surface of the leather sample is rubbed with the rotary felt to the specified number of times, and then the colour change of the sample and the staining of the felt are evaluated with the gray scale.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Instruments and materials
6 Sample preparation and conditioning
7 Test steps
8 Result evaluation
9 Evaluation error
10 Test report
Leather – Tests for Colour fastness – Colour fastness to rotational rubbing
1 Scope
This document describes the test method for determining the colour fastness to rotational rubbing of leather.
This document is applicable to the determination of colour fastness to rotational rubbing of various types of leathers and leather products.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
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 6151 Textiles - Tests for colour fastness - General principles of testing.
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 42165 Leather - Tests for colour fastness - Colour fastness to perspiration
QB/T 2707 Leather - Physical and mechanical tests - Sample preparation and conditioning
3 Terms and definitions
No terms and definitions are listed in this document.
4 Principle
Under the specified pressure, the surface of the leather sample is rubbed with the rotary felt to the specified number of times, and then the colour change of the sample and the staining of the felt are evaluated with the gray scale.
Contents of GB/T 42949-2023
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Instruments and materials
6 Sample preparation and conditioning
7 Test steps
8 Result evaluation
9 Evaluation error
10 Test report
