This Draft Tanzania Standard covers positive list of constituents of PVC, namely, the polymers, copolymers, manufacturing residues and necessary additives which may be regarded as safe for use, when properly processed in contact with food, pharmaceuticals and drinking water and when present in the prescribed limits of concentration.
This positive list does not purport to establish the suitability of the ingredient singly in a particular foodstuff from other than toxicological considerations.
"Polyvinyl chloride", in primary forms, not mixed with any other substances (HS code(s): 390410); Materials and articles in contact with foodstuffs (ICS code(s): 67.250)
