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PRODUCTS

Compression Molded
Absylux®
Dielux®
Kynar® 740
Norylux
Pomalux®
Propylux®
Styraclear
Zelux® M
Zelux® W
High Performance Films
Chemical Resistance
Static Control
High Performance
Medical
Engineering

  Compression Molded Products Image

acetal copolymer

Download Datasheet (pdf 160kb)

Pomalux is a high-performance acetal copolymer that has excellent mechanical, electrical, and wear properties. It is engineered to provide outstanding dimensional stability, even when machining parts with complex geometries. Pomalux is an excellent choice for many bearing and wear applications since it has low coefficient of friction and wears well in both wet and dry environments. It is widely used for assembly jigs and fixtures because of its inherent dimensional stability and excellent wear properties. Pomalux is often specified for electrical applications when low moisture absorption and high dielectric strength are required. Both natural (white) and black Pomalux are FDA compliant for use in food processing machinery. Westlake Plastics Company manufactures all Acetal extruded & compression molded sheets, plates and rods in accordance to ASTM D6100. This specification covers requirement and test methods for the material, dimensions, workmanship and the properties of extruded and compression molded sheets, plates and rods.

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

Pomalux®

Applications Include:
Jigs and fixtures
Pump and valve parts
Bushings
Bearings
Gears
Wear pads
Electrical components

Advantages of Pomalux®
High strength and stiffness
Low friction
Easy to machine
Good dimensional stability
Low moisture absorption
Resists abrasive wear in both wet and dry environments
Good chemical resistance
Excellent electrical properties
FDA compliant

Manufacturing Capabilities:
Rod: 1/8" to 8" diameter
Sheet: .030" to 4" thick
Film: .002" to .029" thick

Color/Grades:
Natural (white) FDA
Black FDA
Glass-filled
PTFE-filled (Dielux)
Non-standard colors are available on a custom basis

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

Pomalux® is a Registered Trademark of Westlake Plastics Co.

 
Mechanical PropertiesTest MethodUnfilled25% GF
 MetricEnglishMetricEnglish
Flexural Modulus
ASTM D790
2551 MPa
370 kpsi
7240 MPa
1050 kpsi
Hardness-Rockwell
ASTM D785
M80
M80
M84
M84
Izod Impact Strength
Notched at -40 °F
ASTM D256
0.64 J/cm
1.2 ft-lb/in
0.37 J/cm
0.7 ft-lb/in
Izod Impact Strength
Notched at 73 °F
ASTM D256
0.8 J/cm
1.5 ft-lb/in
0.59 J/cm
1.1 ft-lb/in
Tensile Elongation at break at -40 °F
ASTM D638
%
%
2 %
2 %
Tensile Elongation at break at 73 °F
ASTM D638
%
%
3.5 %
3.5 %
Tensile Elongation at break at 160 °F
ASTM D638
%
%
5 %
5 %
Tensile Modulus
ASTM D638
2620 MPa
380 kpsi
8274 MPa
1200 kpsi
Tensile Strength at yield at 73 °F
ASTM D638
%
%
16000 %
16000 %
Tensile Strength at yield at -40 °F
ASTM D638
8600 %
8600 %
23100 %
23100 %
Tensile Strength at yield at 160 °F
ASTM D638
%
%
10000 %
10000 %
 
Other PropertiesTest MethodUnfilled25% GF
 MetricEnglishMetricEnglish
Specific Gravity
ASTM D792
1.4
1.4
1.62
1.62
Water Absorption at 24 hrs
ASTM D570
0.2 %
0.2 %
0.27 %
0.27 %
Dielectric Constant
ASTM D150
3.8 105 Hz
3.8 105 Hz
105 Hz
105 Hz
 
Thermal PropertiesTest MethodUnfilled25% GF
 MetricEnglishMetricEnglish
Continuous Use Temp.
ASTM D794
100 °C
212 °F
°C
°F
Coefficient of Thermal Expansion
ASTM D696
m/m/°C
in/in/°F
4.0 x 10-5 m/m/°C
2.2 x 10-5 in/in/°F
Flam. Rating-UL94 at 0.060
-
HB
HB
Heat Deflection Temp. at 66 psi
ASTM D648
157 °C
315 °F
166 °C
331 °F
Heat Deflection Temp. at 264 psi
ASTM D648
104 °C
219 °F
163 °C
325 °F
 
 
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