File:Petrochemical.png

Summary
A closed-loop of Satisfactory Petrochemical, with the aid of external calculator by https://daniel2013.github.io/satisfactory/calculator
 * The diagram holds true for any ratio of plastic, rubber and fuel, as long as their sum is 900 item / min.
 * Except where it is possible to have excess polymer resin due to lesser consumption of rubber or plastic, feed them into AWESOME Sink to prevent the deadlock.