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IS 2544:2019 is the Indian Standard (BIS) for porcelain enamel — methods of test. IS 2544 provides test methods for porcelain (vitreous) enamel coatings — glass-like coatings fused onto metal at high temperature. Used for kitchen appliances, bathtubs, chemical equipment, and signboards. Tests cover adherence, chemical resistance, and thermal shock.
Methods of testing porcelain enamel coatings on metal substrates including adherence, acid resistance, alkali resistance, and thickness measurement.
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Painting, Coatings and Surface Finishing
A glass-ceramic coating fused onto metal (steel or cast iron) at 800-850°C. Provides excellent chemical resistance, heat resistance, scratch resistance, and hygienic surface. Used for cookware, bathtubs, signboards, and chemical process equipment.