Leather. Tests for colour fastness. Colour fastness to crocking has-corrigendum This Technical Report gives guidelines

This Technical Report gives guidelines for the electronic management of documents used in the construction industry

NOTE 2 The measurement results are influenced by mechanical surface roughness and chemical homogeneity

BS 8520-3 gives recommendations for the operation

Poly( butylene terephthalate) (PBT)

Leather. Tests for colour fastness. Colour fastness to crocking has-corrigendum This Technical Report gives guidelines1 Scope This International Standard specifies a method for determining the amount of colour transferred from the surface of coloured leather to other surfaces by rubbing with a white cotton cloth. Two tests are carried out, one with a dry rubbing cloth and one with a wet rubbing cloth. The method is applicable to all types of coloured leather. Since after treatments of the leather as well as surface finishes can affect the degree of colour transfer,