Plastic chains have already 
been developed for light duty power transmission applications. They can be used with steel or plastic-type sprockets, and perform a number of speeds.
A real advantage of plastic-type roller chain is that it could perform in harsh chemical substances, moisture and various temperature applications.
They self-lubricate and are well suited for applications where cleanliness is important. Food processing, medical and pc agricultural Chain equipment and clean areas are common uses for plastic-type roller chain.