... adhesive force:0 grade, no surface layer and wrinkle defect, no bubblingAbrasive resistance(200r/750g)0.005gAcid resistance( ... 168h,diluted hydrochloric acid)no surface layer and wrinkle defect, no bubblingArtificial aging resistance(1000h)no color difference, ... no surface layer and wrinkle defect, no bubbling, no significant performance changes Transparent Heat Insulation ...