9M - BLUE 3M TEMFLEX ELECTRICALTAPE *3/4" 3M Temflex Vinyl Electrical Tape 165 is a multipurpose, 6-mil thick vinyl insulating tape that comes in a variety of colors. It is made to function in ambient temperatures up to 194F (90C) and is flame-retardant. The tape can withstand cold temperatures up to 32°F (0°C).