... is a black, homogenous opaque film, one side matt while another glossy. CEN ®BL Polyimide Film is a ... resistance, good radiation resistanceStable chemical propertyGood at shielding and matt appearanceHalogen-free, environment-friendly, flame-retardant, catching the ... -UL 94V-0Applications:Black tape at high temperatureBlack matt flame-retardant label at high temperatureBlack insulation washer/ ...