... , medicine, education, military, exhibitions and so on Technology parametersMaterial of glasses frameEnvironmental protection mixture material of PC, had tested by CE ... , ROHS, SGS, EN71Glasses thickness0.7mm±3%Glasses materialImport the thicken and harden special Polaroid glassesLight penetration rateMore ... levelA+Ambient temperature0°C~50°C HD and paper 3d video glasses