SRL / SRP Silicone Rubber Heating Blankets

SRL / SRP Silicone Rubber Heating Blankets with Pressure Sensitive Adhesive (PSA)

Product Highlights

checkmark Suitable for a large range of surfaces like tanks, hoppers, conveyors, silos, etc.

checkmark Two product choices for different applications:  

  1. SRL Series: Ideal for metal surfaces
  2. SRP Series: Ideal for plastic surfaces


checkmark Exceptional durability and longevity

checkmark Easy-to-apply industrial strength pressure sensitive adhesive backing

checkmark Patented grounded heating element for your safety meets NEC 427.23

checkmark Optional high-limit thermostat to protect heater and contents being heated

checkmarkcURus up to 358oF (181oC)



  • Standard power densities:
    • SRL series(*): 2.5 watts / in² (0.004 watts / mm²)
    • SRP series: 1.25 watts / in² (0.002 watts / mm²)
  • Moisture, chemical, and radiation resistant
  • Heating element is laminated between two layers of 20 mil fiberglass reinforced silicone rubber
  • Exposure temperature range: -60oF to 450oF (-51oC to 232oC)
  • Patented grounded heating element
  • Dielectric strength over 2000 volts
  • Silicone density 21.7 oz / yd² (736 grams / m²) per layer
  • Silicone rubber power leads: 48" (1219mm) standard length
  • 120, 208, 240, 277, 480, or 600VAC
  • Bare wire connection
  • Temperature controller required

* Please contact us for application assistance if SRL series will be used on a plastic surface


  • SRL / SRP Silicone Rubber Heating Blanket Specification Sheet
  • Silicone Rubber Heating Blanket Instruction Manual (PN: 11661)
  • Silicone Rubber Heating Blanket Custom Design Checklist
  • Vessel Heat System Design Checklist
  • Hopper Heat System Design Checklist

Ordering Information

We can design a heater specifically for your application. Other sizes, shapes, watt-densities, power plug, high limit safety thermostats, extended lead lengths and more. Contact us for additional information.