(1) PC (gather the carbonic acid grease) board: Thickness has 0.5 mm 100 mms , colour have the lucency , orchid color , green , brown , milky white. (2) ABS board: Thickness 0.5 200 mms , colour are a yellow; Milky white , black. (3) PP (polypropylene) board: Board , PP change nature board , thickness including pure white board of PP , pure dust of PP 0.5 140 mms....