Rubber

Rubber is a mid-game item refined from Crude Oil commonly used for alternative recipes and some late-game items.

Tips
Later in the game when you have collected the majority of the Hard Drives, be sure to unlock the following Alternate Recipes: Combine these with Packaged Water, Unpackage Fuel, and Residual Rubber to form a closed-loop production of Plastic and/or Rubber without any wastage, increasing the Oil to Plastic/Rubber conversion ratio up to 1:3. Empty Canisters from fuel unpackaging are reused and recycled back to the water packaging.

History
Gummi Caoutchouc