3M™ ThermaVolt Insulating AR Paper

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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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For industrial/occupational use only. Not for consumer sale or use.

Overall Thickness (Imperial)

Overall_Thickness_Imperial

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Overall Thickness (Imperial)

Specifications

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
RoHS 2011/65/EU Compliant	Yes
RoHS EU Comments	RoHS 2011/65/EU compliant without exemption
Thermal Class	220 °C
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.

Resources

Brochures

Product Selection Guides

Flexible Insulations and Tapes Product Selection Guide - LR PDF - Digital Version (PDF, 2.6MB)

Sales Guides

3M™ ThermaVolt AR Electrical Insulation Paper (PDF, 118.6KB)

For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.