... and colorless 3,good weather resistance 4,precision machining PMMA/Acrylic/ Polymethyl Methacrylate Machinning Part Name: PMMA (polymethyl methacrylate) ... available in various colors.I. PMMA DescriptionPMMA ,also called acrylic, is a kind of colorless and transparent particle. It ... of high concentrations, metal base spray and paint imported lacquer, can ensure long-term weather, and never fade, ...