We have reviewed in detail about the finishing processes for sheet metal products in chapter 6.
What is required in consultation with the marketing people or as per the customer specification is the decision as to what is to be specified in the documents.
1. Types
2. Standards
Some of the Indian Standards fop saint applications and other miscellaneous information are as follows:
3. Colour Specification
IS 137 – Specification for ready mixed paint, brushing, matt or eggshell flat, finishing as required.
Indian Standards for paints, compositions, miscellaneous.
IS 15489 – Paint, Plastic emulsion - Specification.
IS 1477 - Code of practice for painting Ferrous materials.
IS 14246 - Code of pre-painted galvanized sheets.
IS 2074 – Ready-mixed paint, air drying, red oxide, zinc chrome, priming.
4. Texture specification - Munsell textured colour samples.
5. Gloss Specification
Full Gloss: 70–90%, Semi-Gloss: 41–69%, Satin: 26–40%, Sheen: 15–25%, Eggshell: 10–15%, Matte: <10%.
6. Test Specifications
IS 101-1-3; 3-1;3-3 – Methods of sampling and test for paints, varnishes, and related products, Part 1 tests on liquid paints.
