ISI Certification for PVC Pipes: A Complete Guide by Agile Regulatory
In India, PVC (Polyvinyl Chloride) pipes are extensively used in agriculture, water supply, plumbing, drainage, and various industrial applications. To ensure safety, durability, and quality, the Bureau of Indian Standards (BIS) mandates ISI certification for manufacturers of PVC pipes under IS 4985. This certification is not just a quality mark—