JemmSil™ HS300 High Release Teflon® Wear Resistant Heat Shrink Sleeve

  • Excellent release properties, outstanding chemical resistance and excellent wear resistance
  • High temperature resistance
  • Lasts at least 4 times longer than traditional heat shrink sleeves
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Product Details

JemmSil™ HS300 High Release, Wear Resistant PTFE Heat Shrink Coverings offer excellent release properties, outstanding chemical resistance and excellent wear resistance, making them ideal for many web processing applications. These Heat Shrink Roller Coverings last at least 4 times longer than normal FEP Teflon® Heat Shrink Sleeves. 

Common applications include idler rolls on coating and laminating lines, printing press idler rolls, slitting lines, foil processing lines, bowed roll covers, papermaking and more.


  • Long usage life
  • Excellent heat (continuous temperatures up to 400°F and for short periods up to 550°F) and chemical resistance
  • Manufactured as bondable coverings with a .060” wall thickness
  • Supplied with appropriate bonding adhesive as a standard
  • Available in diameters 5” to 15’ for each application
  • Easy to install on site


Technical Specifications

Release Properties Very Good
Traction Properties Poor
Heat Resistance 550°F (intermittent)
Wear Resistance Excellent
Hardness Shore D 55-65
Wall Thickness .06"
Available Diameters 5" to 15"
Available Lengths Custom
FDA Compliant No
Shrinkage Temperature 350°F


Physical Properties

Diameter Range 5” to 15’  
Thickness Range .060”  
Ultimate Tensile Strength 3000 psi  
Elongation 100% ASTM D882-61T  
% Diameter Shrinkage @ 300ºF 10% minimum  
Flammability Non-Flammable  
C.O.F. (against wet polished steel) .04-.08  
Color White  


Chemical Properties

Effects of all acids None  
Effects of all alkalies None  
Effects of all organic solvents None  
H²O absorption, 1/8” thickness <0.01%  

Sleeve Sizing

JemmSil™ HS300 Heat Shrink Sleeves are custom-manufactured to fit your roller(s). To determine the appropriate sleeve size to fit your roller and for a quotation, simply fill out Jemmco's Online Inquiry Form or contact your Inside Service Representative at 262-512-9559 - or via email at - with your exact roller specifications (diameter and face length).

Sleeve Pricing

JemmSil™ HS300 Heat Shrink Sleeves are custom-manufactured to fit your roller(s). For pricing, please click Add to Quote above or call us at 262-512-9559.


Jemmco's heat shrink sleeves are designed for easy, in-plant installation to reduce time and money spent sending out spare rollers for recovering. Download Jemmco's complete Installation Manual for detailed instructions.