... and manufacture custom molds for plastic injection using AutoCAD software, including SolidWorks, UG , and pro/E. ... cost Air filters, eyeglass frames, safety masks Polycarbonate PC Calibre, Lexan, Makrolon Very tough, temperature resistance, ... the way through. Several thermodynamic properties of the material also affect the cooling time. Lastly, the resetting time depends on the machine size and the ...