Styrofoam is processed with steam heat. (Forming temperature = 108°C-116°C) Styrofoam is easily extruded by steam heat. As Styrofoam materials are extruded several times, it is possible to extrude 100 times with the method of block-forming. Styrofoam features low-density. Therefore it can be indicated with rate or weight.
Styrofoam is made of minute foaming like sponge, so it can be formed with an insulation material. Then it is widely used to package the produce and marine products. In addition, it is possible to extrude, pentane gas would be evaporated.
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