Polyurethane fiberglass insulation sleeve is made of E-glass fiber
yarn and polyurethane resin. Fiberglass yarn is woven fine by
high-speed knitting machines to be blank tube, then it is coated
with a specially formulated polyurethane resin under high
temperature curing and then formed stereotypes. As the work
temperature of the sleeve can often reach **5 degrees Celsius, it
has very excellent electrical properties, and has good mechanical
abrasion resistance and flexibility, it is widely used in F-class
motor insulation.
