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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Pomalux® CN-SS
(Conductive Acetal Copolymer)) 		Download Product Brochure (60kb - pdf) 

Stainless-steel-fiber-filled, non-sloughing, dimensionally stable material HDT @ 264 psi of 225° F. This material has relatively high chemical resistance, is extremely strong and stiff, and is an excellent choice for situations where carbon-based conductive fillers are not acceptable. Easily machined with carbide-tipped tooling to tight tolerances.

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 102 - 106
Volume Resistivity dry ohm/cm ASTM D257 102 - 106
Static decay 15% RH seconds Mil-B-81705-B -

Mechanical Properties
Property Units Test Result
Tensile Strength @yeild psi ASTM D638 8,600
Tensile Elongation @break % ASTM D638 -
Flexural Strength psi ASTM D790 13,000
Flexural Modulus psi ASTM D790 400,000
Izod Impact Strength Notched ft·lbs/in ASTM D256 0.7
Izod Impact Strength Un-notched ft·lbs/in ASTM D256 -
Hardness-Shore D - ASTM D2240 86

Other Properties
Property Units Test Result
Specific Gravity - ASTM D792 1.5
Water Absorption @24 hours % ASTM D570 -

Thermal Properties
Property Units Test Result
Heat Deflection Temp. @264 psi °F ASTM D648 225
Heat Deflection Temp. @66 psi °F ASTM D648 -
Coefficient of Thermal Expansion in/in/°F ASTM D696 4.9 x 10-5
Thermal Conductivity (BTU•in)/(hr•ft2•°F) - -
Flam. Rating-UL94 - - -

 

Applications Include:
 Disk drive assembly fixtures
 Semiconductor/electronic components
 Telecommunication hardware
 Automotive equipment

Advantages of Pomalux® CN-SS:
 Low outgassing
 Consistent resistivity values
 Ease of machining
 Good chemical resistance

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

Color/Grades:
Dark Gray

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