IS 524 : 2024 Varnish for General Purpose - Specification

ICS 87.060

CHD 20

(Superseding IS 198 : 1978, IS 337 : 1975 & IS 525 : 1968)

1 SCOPE

This standard specifies the requirements and methods of sampling and testing for varnish used for general purposes. The material is typically used in protective coatings for wooden surfaces, paintings, and various decorative objects.

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 101	Methods of sampling and test for paints, varnishes and related products:
(Part 1)	Tests on liquid paints (general and physical),
(Sec 1) : 2023	Sampling (fourth revision)
(Sec 3) : 1986	Preparation of panels (third revision)
(Sec 5) : 2024	Consistency (fourth revision)
(Sec 6) : 1987	Flash point (third revision)
(Part 2)	Test on liquid paints (chemical examination),
(Sec 2) : 1986	Volatile matter (third revision)
(Sec 3) : 2015/ISO 11890-1 : 2007	Determination of volatile organic compound (VOC) content - Difference method(Part 3) Tests on paint film formation,
(Sec 1) : 1986	Drying time (third revision)
(Sec 4) : 1987	Finish (third revision)
(Part 4/Sec 2) : 2021/ISO 3668 : 2017	Optical tests, Section 2 Colour-visual comparison of colour of paints (fourth revision)
(Part 5)	Mechanical test on paint films,
(Sec 1) : 1988	Hardness tests (third revision)
(Part 5/Sec 2) : 1988	Mechanical test, Section 2 Flexibility and adhesion (third revision)
(Part 6/Sec 2) : 1989	Durability test on paint films, Section 2 Keeping properties (third revision)
(Part 8)	Tests for pigments and other solids,
(Sec 4) : 2015	Phthalic anhydride (fourth revision)
(Sec 5) : 2022	Lead restriction test (fourth revision)
(Part 9/Sec 2) : 1993	Tests for lacquers and varnish, Section 2 Rosin test (third revision)
IS 266 : 2024	Sulphuric acid - Specification (fourth revision)
IS 285 : 2021	Laundry soaps - Specification (fourth revision)
IS 296 : 2023	Sodium carbonate anhydrous - specification (fourth revision)
IS 354 (Part 2) : 2024	Resins for paints methods of sampling and test: Part 2 Special test methods for alkyd resins (third revision)
IS 1017 : 1983	Specification for chamois leather (second revision)
IS 1070 : 2023	Reagent grade water - Specification (fourth revision)
IS 1303 : 1983	Glossary of terms relating to paints (second revision)
IS 1745 : 2018	Petroleum hydrocarbon solvents - Specification (third revision)