plastics waste image via shutterstock.says no scientific validity for pet packaging ban, to take effect by march argues spinoff will be widespread job loss, higher drug pricesa number of small and medium size polyethylene terephthalate pet converters specially dedicated to packaging of drug formulations have begun shutting down operations, says the industry, as a sequel to the central government order banning the material&39s use in this regard.of the 600,000 tonnes of pet production, the pharmaceutical industry uses 16 per cent or around 100,000 tonnes every year.