IS 2961 : 1973 Specification for Chrome Retan Finished Upper Leather

1 Scope

1.1 This standard prescribes the requirements and the methods ofsampling and test for chrome retan finished leather for footwearuppers involving only partial retannage.

1.1.1 This standard covers only such leathers as are partiallyor completely tanned with basic chromium salts initially, followedby retannage, including mordanting with vegetable or synthetictanning materials or in combination with both of these materials.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 582 : 1970Methods of chemical testing of leather

IS 1640 : 1960Glossary of terms relating to hides, skins and leather

IS 5868 : 1969 Method of sampling for leather

IS 5914 : 1970Methods of physical testing of leather

IS 6191 : 1971Methods of micro-biological, colour fastness andmicroscopical tests for leather