P.O. Box 127 Lenni, PA.
1·800·999·1700    1·610·459·1000
Fax: 610·459·1084		 West Coast Office
1·800·440·0597    1·714·632·7944
Fax: 714·632·7945
 
 
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Lennite® SD-P
(Static-dissipative Ultra-High Molecular Weight Polyethylene) 		Download Product Brochure (35kb - pdf) 

Carbon powder-filled, self-lubricating, moisture-repellent material with resistivity levels in the 105 - 109 range. This material has the highest impact strength, is lightweight, has excellent abrasion resistance, and possesses good chemical and stress-crack resistance.

The following physical property information is based on typical values of the resin.

Electrical Properties
Property Units Test Result
Surface Resistivity dry ohm/sq ASTM D257 12.0 x 106
Volume Resistivity dry ohm/cm ASTM D257 1.9 x 107

Mechanical Properties
Property Units Test Result
Tensile Strength @yeild psi ASTM D638 3,130
Tensile Elongation @break % ASTM D638 310.0(1)
Flexural Modulus psi ASTM D790 152,000
Izod Impact Strength Notched ft·lbs/in ASTM D256 -
Hardness-Shore D - ASTM D2240 67

Other Properties
Property Units Test Result
Specific Gravity - ASTM D792 0.935
Water Absorption @24 hours % ASTM D570 0.028

Thermal Properties
Property Units Test Result
Coefficient of Thermal Expansion in/in/°F ASTM D696 7.2 x 105
Heat Deflection Temp. @264 psi °F ASTM D648 115
Heat Deflection Temp. @66 psi °F ASTM D648 174

(1) Ultimate elongation
  

Applications Include:
 Metal replacement components
 Bulk material handling equipment
 Weigh/fill equipment components
 Weigh/fill equipment components
 Explosives handling equipment

Advantages of Lennite® SD-P:
 Low carbon loading (slough resistant)
 Self lubricating (low coefficient of friction)
 Excellent wear properties
 Noise dampening properties
 Exceptional abrasion resistance
 Lightweight
 Cost effective
 Very low temperature compatibility

Manufacturing Capabilities:
Sheet: 1/8” to 4” thick

Color/Grades:
Black

*In addition to our standard capabilities, Westlake also has the ability to process custom resins in various sizes and colors with some exceptions.