Difference Between Thermocol And Polystyrene Styrofoam Vs. Thermocol?

Styrofoam Vs. Thermocol? - difference between thermocol and polystyrene

Is there a difference between the styrofoam and Thermocol? Or are they the same thing but just have different names?

I have a link to wiki ... He has been there. Therefore the question!

Salud!