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If you are a manufacturer, a question should always be on your mind while producing goods. What requirements, procedures and testing methodology, and quality control orders need to be followed to produce standard quality products? What is the procedure for BIS certification?

Make sure that your product must follow specified Indian standard for that product. Let's take a closer look at IS 9271:2004.

Unplasticized polyvinyl chloride (UPVC) single wall corrugated pipes for drainage are covered under IS 9271:2004. The BIS adopted this Indian standard after the draft finalized by the plastic piping system sectional committee was approved by the civil engineering division council.

This standard specifies the requirements and testing methods for unplasticized PVC corrugated perforated/non-perforated pipes intended for use in under drainage of surface and subsurface land/farms, canals, highways, roads, foundations, construction sites, interceptor drainage in field/farms, intercepting canal seepage, and under drainage of lined canals.

The pipes shall be made of material primarily composed of polyvinyl chloride conforming to IS 10151, to which only those additives necessary to facilitate the manufacture of sound pipes with surface finish, mechanical strength, and suitability for use may be added. The composition shall be based on PVC resin having a K-value of or greater when tested in accordance with IS 4669.