Are the 'Fluker's Pothos Repta-Vines heat resistant? Could it be used on an enclosure with a temperature of 80-86 degrees?

Yes, the 'Fluker's Pothos Repta-Vines can be used in an enclosure with those temperatures.
They are made of non-toxic polyethylene material for easy cleaning and disinfecting. Are 6 feet in length. And come with suction cups to affix to your tank.
We also have English Ivy Repta-Vines, Purple Coleus Repta-Vines, and Red Coleus Repta-Vines available as well.