Hazardous-Area Silicone Heating Blankets


  • Suitable for a large range of surfaces: tanks, hoppers, conveyors, silos, etc.
  • Exceptional durability
  • Moisture and chemical resistant
  • Easy peel n stick pressure sensitive adhesive backing option
  • Grounded heating element meets NEC 427.23


  • 0.75" conduit fitting
  • High-limit thermostat designed to keep blanket below NEC article 500 T-rating (T3: 292ºF, T4A: 158ºF)
  • Silicone rubber power leads 12" long
  • Power density of 2.5watts/in2
  • Patented grounded heating element is laminated between two layers of 23 mil and two layers of 25 mil fiberglass reinforced silicone rubber
  • Nominal silicone rubber density of 26 oz/yd2 per layer
  • Exposure temp range: -60ºF to 400ºF
  • Dielectric strength of over 2000 volts

T Rating NEC Temperature Actual High Limit Thermostat
T3 392oF (200oC) 292oF (145oC)
T4A 248oF (120oC) 158oF (70oC)

fm approved Class I Division 2 Groups A, B, C, and D
Class II Division 2 Groups F and G
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NOTE: If your application requires a size that is not listed, please call us at (615) 834-4044.

** Requires a Temperature Controller.


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