Stable Electrical Property 6440 Class-F Red DMD Epoxy Prepreg, Class F DMD Prepreg Serves as Flexible DMD Prepreg for F-Class Industrial Motor Slot Insulation

Stable Electrical Property 6440 Class-F Red DMD Epoxy Prepreg, Class F DMD Prepreg Serves as Flexible DMD Prepreg for F-Class Industrial Motor Slot Insulation. F-class long-term heat resistance at 155 degrees centigrade, short-term peak up to 180 degrees centigrade. B-stage semi-cured epoxy prepreg, bonding pressure range 2-5 megapascal at 130-160 degrees centigrade. Variable width from 10 millimeter to 1200 millimeter, custom slitting service supported. Thickness tolerance within plus or minus 8 percent, multiple standard thickness from 0.15 mm,0.18 mm,0.20 mm,0.25 mm,0.30 mm. Uniform epoxy impregnation with resin content 30 percent to 40 percent, red homogeneous appearance. Low shrinkage rate less than 1.5 percent after curing, maintain dimension stability for long-time equipment operation. High dielectric strength reaching 18 kilovolt per millimeter, stable insulation after hot pressing curing. Controlled resin flow range from 15 percent to 30 percent, low volatile content below 2.5 percent. Tensile strength above 120 newton per centimeter both in machine and cross direction.