3M™ ThermaVolt Calendered Inorganic Insulating Paper provides high thermal conductivity and dielectric strength. It is ideal for dry-type transformers, strip-wound coils and electromagnet coils. It provides low moisture absorption, even under high-humidity conditions and improves dimensional stability. It is suitable for Class 220® electrical insulation systems.
It is approved for use as major ground insulation in Class 220(R) electrical insulation systems. 3M UL Recognized Insulation Systems may be found in UL File No. 65007. REACH Compliant and RoHS 2011/65/EU Compliant .