Maybe we should add Plastic, Rubber and Latex
Plastic:PLAS
Group: Solids
Description: Soild.Meltable.Produces smoke when melted.
Rubber:RUBB
Group:Solids
Description:Solid.Bounces back particles when in contact.
Latex:LATX
Group:Liquids
Description:Turns into rubber slowly when ambient heat is enabled, heated or pressurizzed