IS 3020 : 2025 Leather for Oil Seals - Specification

ICS 59.140.35

CHD 17

1 SCOPE

1.1 This standard prescribes the requirements, methods of sampling and test for leather for oil seals.

1.1.1 It includes leather suitable for the manufacture of oil seals required for slow moving, fast running or high-speed shafts operating at room temperature or between 60 °C and 100 °C.

2 REFERENCES

The standards listed in Annex A contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.

IS/No.	Title
IS 582 : 1970	Methods of chemical testing of leather (first revision)
IS 582	Methods of chemical testing of leather:
(Part 1) : 2017/ISO 4684 : 2005	Determination of volatile matter (second revision)
(Part 2 ) : 2024/ISO 4098 : 2018	Determination of watersoluble matter, watersoluble inorganic matter and water-soluble organic matter (first revision)
(Part 3) : 2017/ISO 4047 : 1977	Determination of sulphated total ash and sulphated water- Insoluble ash (second revision)
(Part 9) : 2022/ISO 4045 : 2018	Determination of pH and difference figure
(Part 10/Sec 1) : 2022/ISO 5398-1 : 2018	Determination of chromic oxide content, Section 1 Quantification by titration
(Part 14 ) : 2022	Determination of matter soluble in dichloromethane and free fatty acid content
IS 1640 : 2007	Glossary of terms relating to hides, skins and leather (first revision)
IS 5868 : 1983	Method of sampling for leather (first revision)
IS 5914 : 1970	Methods of physical testing of leather
IS 5914	Methods of physical testing of leather
(Part 4) : 2023/ISO 2420 : 2017	Determination of apparent density and mass per unit area
(Part 7) : 2023/ISO 3378 : 2002	Determination of resistance to grain cracking and grain crack index
(Part 8) : 2023/ISO 3376 : 2020	Determination of tensile strength and percentage elongation
(Part 11) : 2025/ISO 2589 : 2016	Determination of thickness
IS 15298 (Part 1) : 2024/ISO 20344 : 2021	Personal protective equipment: Part 1 Test methods for footwear
ISO 10195 : 2018	Leather - Chemical determination of chromium (VI) content in leather - Thermal pre-ageing of leather and determination of hexavalent chromium