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Rulon Bearings

A. Schulman Diamond Centrex® HGM Automotive Grade, Injection Molding Grade  (discontinued **)
Categories: Polymer; Thermoplastic; ASA Polymer

Material Notes: Centrex HGM resin is an exceptionally high-gloss grade of ASA (acrylonitrile-styrene-acrylate). This injection molding grade has excellent gloss retention, excellent resistance to chemicals and high heat, good resistance to weather aging, and a wide molding window.

Applications: Centrex HGM resin is used in the automotive market for exterior applications such as mirror housings, cowl grilles, license plate pockets, exterior trim and radiator grilles. As with any product, use of Centrex HGM resin in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability.

A. Schulman has acquired Network Polymers & Diamond Polymers.

Key Words: Weatherable Polymer
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.08 g/cc1.08 g/ccASTM D792
Linear Mold Shrinkage 0.0050 - 0.0060 cm/cm0.0050 - 0.0060 in/inASTM D955
Melt Flow  0.40 g/10 min
@Load 3.80 kg,
Temperature 230 °C
0.40 g/10 min
@Load 8.38 lb,
Temperature 446 °F
ASTM D1238
 3.5 g/10 min
@Load 10.0 kg,
Temperature 220 °C
3.5 g/10 min
@Load 22.0 lb,
Temperature 428 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 9797ASTM D785
Tensile Strength, Yield 39.0 MPa5660 psichs 0.2 in/min; ASTM D638
Tensile Modulus 2.136 GPa309.8 ksichs 0.2 in/min; ASTM D638
Flexural Strength 63.0 MPa9140 psichs 0.05 in/min; ASTM D790
Flexural Modulus 2.067 GPa299.8 ksitangent; chs 0.05 in/min; ASTM D790
Izod Impact, Notched  0.210 J/cm
@Thickness 3.17 mm,
Temperature -40.0 °C
0.393 ft-lb/in
@Thickness 0.125 in,
Temperature -40.0 °F
ASTM D256
 2.08 J/cm
@Thickness 3.17 mm,
Temperature 23.0 °C
3.90 ft-lb/in
@Thickness 0.125 in,
Temperature 73.4 °F
ASTM D256
Impact Test  1.10 J
@Temperature -40.0 °C
0.811 ft-lb
@Temperature -40.0 °F
ASTM D3763
 30.0 J
@Temperature 23.0 °C
22.1 ft-lb
@Temperature 73.4 °F
ASTM D3763
 
Thermal PropertiesMetricEnglishComments
CTE, linear 121 µm/m-°C
@Temperature -40.0 - 40.0 °C
67.2 µin/in-°F
@Temperature -40.0 - 104 °F
ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 80.0 °C176 °F0.125";; ASTM D648
 88.0 °C190 °F0.5";; ASTM D648
Vicat Softening Point 116 °C
@Load 1.00 kg
241 °F
@Load 2.20 lb
120°C/hr; ASTM D1525

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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