Input-output norms require imported inputs to conform to prescribed component proportions for manufactured rigid PVC well casing.

Standard input-output norms for rigid PVC well casing/screen pipes specify the component composition for a 100 kg product, naming PVC resin, a master batch (PVC stabilizer, lubricant, flow promoter, impact modifier), calcium carbonate filler, colouring pigments and titanium dioxide with prescribed weight allocations. The FTP schedule serves to determine permissible input proportions and requires applicants to ensure imported goods conform to the inputs actually used in the manufacture of the declared export product.

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