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  • 3M™ ThermaVolt Insulating AR Paper
  • 3M™ ThermaVolt Insulating AR Paper

    Products
    • Provides high thermal stability for improved coil performance in a single ply
    • Long-term voltage endurance resists partial discharge damage and provides longer insulation life
    • Ideal for use in open-ventilated, dry-type transformers
    • Maintains its integrity while remaining conformable
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    Overall Thickness (Imperial)
    Overall_Thickness_Imperial
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    Typical Properties
    Attribute Name
    Value
    Application
    Dry-Type Transformer, Other
    Brand
    3M™
    Electrical Insulation System Thermal Class
    220C
    Family
    ThermaVolt
    Flexible Insulation Product
    ThermaVolt and ThermaVolt AR Calendered Inorganic Insulating Papers and Laminates
    Insulation Construction
    Pure Paper
    Mechanical Strength
    Better
    Overall Thickness (Imperial)
    10 mil, 15 mil, 20 mil, 30 mil, 4 mil, 5 mil, 7 mil
    Overall Thickness (Metric)
    101 micron, 127 micron, 178 micron, 254 micron, 381 micron, 508 micron, 762 micron
    Product Type
    Electrical Insulation Paper, Inorganic Insulating Paper
    RoHS 2011/65/EU Compliant
    Yes
    RoHS EU Comments
    RoHS 2011/65/EU compliant without exemption
    Thermal Conductivity
    Better
    Total Thickness
    10 mil, 15 mil, 20 mil, 3 mil, 30 mil, 4 mil, 5 mil, 7 mil
    Details
    • Provides high thermal stability for improved coil performance in a single ply
    • Long-term voltage endurance resists partial discharge damage and provides longer insulation life
    • Ideal for use in open-ventilated, dry-type transformers
    • Maintains its integrity while remaining conformable
    • Low moisture absorption provides excellent dimensional stability
    • Suitable for high-temperature electrical insulation applications rated up to Class 220(R)
    • Found in 3M UL Recognized Insulation Systems

    3M™ ThermaVolt AR Electrical Insulation Paper provides excellent thermal stability and high dielectric strength. It is ideal for open ventilated, dry type transformer applications. The paper provides low moisture absorption and exhibits low moisture content, even under high humidity conditions.

    This insulating paper has good mechanical strength that resists damage during handling and maintains excellent conformability. It is suitable for core wrap, phase insulation, high low barrier, major and minor ground insulation, interwinding and turn insulation applications. It is suitable for Class 220(R) electrical insulation systems and 3M UL Recognized Insulation Systems may be found in UL File No. 65007. REACH Compliant and RoHS 2011/65/EU Compliant‎‎.