Pentair Thermal Management Becomes nVent
- A New Opportunity to Spark Innovation

Your trusted brands RAYCHEM, TRACER, NUHEAT, PYROTENAX and TraceTek are now part of nVent Thermal Management.

The new company website is in development and will be launched in January 2019. Until then, we are happy to serve your information needs through our current website.

For more information on nVent:
Download press release
Visit nVent.com
(currently English only)



The nVent RAYCHEM GT-66 is a 66ft (20m) roll of glass tape for attaching heating cable to pipe. Not for stainless-steel pipes or for installation temperatures below 40°F (4.4°C).

Relevant applications include:

  1. process temperature maintenance
  2. pipe freeze protection
  3. tank heating
  4. longline heating

Industries Served:
Chemical and Pharmaceutical
Food and Beverage
Oil and Gas

Technical Specifications

  1. The tape shall have a glass cloth backing with Non-corrosive thermosetting Pressure Sensitive Adhesive, requiring no heat, moisture or other manner of preparation to effect application.
  2. Adhesion to Steel: 35 oz /inch width nominal
  3. Tensile Strength: 120 lbs. / inch width nominal
  4. Backing Thickness: 0.0045 inch minimum
  5. Adhesive Thickness: 0.0025 inch minimum
  6. Total Thickness: 0.007 inch minimum
  7. Elongation: 5% nominal
  8. Insulation Resistance: 100 megohms minimum
  9. Dielectric Breakdown: 1000 volts minimum
  10. Temperature Rating: 130ºC (266ºF)


Installation & Operation Manuals
Connection and Protection