Plastic chains have already been developed for light duty power transmission applications. They can be utilized with steel or plastic material sprockets, and perform a variety of speeds.
A real advantage of plastic 
roller chain is that it could perform in harsh chemicals, moisture and various temperature applications.
They self-lubricate and are Drive Chain perfect for applications where cleanliness is important. Food processing, medical and pc equipment and clean rooms are normal uses for plastic-type roller chain.