Meets UL 224CAN CSA C22.2 NO198.1 -99 Heat shrink ratio 2:1 Halogen-free low smoke generation non-toxic flexiblenon flame retardant Minshrink temperature:70 Minfull recovery temperature Continuous operating temperature -55 105 Environmental standards :RoHS IPC/JEDEC-J-STD-709 Class H material Standard colors transparentblack white red yellow green blue and other four international standard colorsMore colors are available upon request. 200m/roll