07 Jan Plastic Makes It Possible – Polymethyl Methacrylate (PMMA)
Plastic Makes It Possible - Series 4 Do you know most of the outdoor signage and displays now are made of plastics, instead of glass Why Polymethyl Methacrylate (PMMA), a.k.a 【聚甲基丙烯酸甲酯】 is a transparent plastic material which is widely used in visual displays, due to...