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Rulon Bearings

Covestro Apec® DP9-9331 High-Heat Polycarbonate, General Purpose  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, High Heat

Material Notes: Information provided by Bayer Corporation, Plastics Division

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and has officially adopted its new name – Covestro. This product was discontinued prior to the separation.

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
Density 1.18 g/cc0.0426 lb/in³ASTM D792
Water Absorption 0.20 %0.20 %24 hr immersion; ASTM D570
Linear Mold Shrinkage 0.0070 - 0.0080 cm/cm0.0070 - 0.0080 in/inASTM D955
Melt Flow 22 g/10 min
@Load 2.16 kg,
Temperature 330 °C
22 g/10 min
@Load 4.76 lb,
Temperature 626 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 7575ASTM D785
Hardness, Rockwell R 125125ASTM D785
Tensile Strength, Ultimate 66.0 MPa9570 psiASTM D638
Tensile Strength, Yield 64.0 MPa9280 psiASTM D638
Elongation at Break 90 %90 %ASTM D638
Elongation at Yield 6.0 %6.0 %ASTM D638
Tensile Modulus 2.20 GPa319 ksiASTM D638
Flexural Yield Strength 86.0 MPa12500 psiASTM D790
Flexural Modulus 2.28 GPa331 ksiASTM D790
Izod Impact, Notched 6.40 J/cm
@Thickness 3.17 mm
12.0 ft-lb/in
@Thickness 0.125 in
ASTM D256
Izod Impact, Unnotched NBNBASTM D256
 NB
@Temperature -40.0 °C
NB
@Temperature -40.0 °F
ASTM D256
Impact Test 68.0 J
@Thickness 3.20 mm
50.2 ft-lb
@Thickness 0.126 in
Instrumented Impact, Total Energy; 15 mph, 3 in. clamp, 0.5 in. dart; ASTM D3763
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+16 ohm-cm>= 1.00e+16 ohm-cmASTM D257
Surface Resistance >= 1.00e+16 ohm>= 1.00e+16 ohmASTM D257
Dielectric Constant  3.0
@Frequency 60 Hz
3.0
@Frequency 60 Hz
ASTM D150
 3.0
@Frequency 1e+6 Hz
3.0
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength >= 16.0 kV/mm
@Thickness 3.17 mm
>= 406 kV/in
@Thickness 0.125 in
ASTM D149
Dissipation Factor  0.0010
@Frequency 60 Hz
0.0010
@Frequency 60 Hz
ASTM D150
 0.010
@Frequency 1e+6 Hz
0.010
@Frequency 1e+6 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 70.0 µm/m-°C
@Temperature 20.0 °C
38.9 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 152 °C
@Thickness 3.20 mm
306 °F
@Thickness 0.126 in
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 140 °C
@Thickness 3.17 mm
284 °F
@Thickness 0.125 in
ASTM D648
Vicat Softening Point 160 °C320 °FRate B; ASTM D1525
UL RTI, Electrical 140 °C
@Thickness 1.50 mm
284 °F
@Thickness 0.0591 in
UL746B
UL RTI, Mechanical with Impact 130 °C
@Thickness 1.50 mm
266 °F
@Thickness 0.0591 in
UL746B
UL RTI, Mechanical without Impact 140 °C
@Thickness 1.50 mm
284 °F
@Thickness 0.0591 in
UL746B
Flammability, UL94  HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
 HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
Oxygen Index 24 %24 %ASTM D2863
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5811.581ASTM D542
Haze 1.0 %
@Thickness 3.17 mm
1.0 %
@Thickness 0.125 in
ASTM D1003
Transmission, Visible 88 %
@Thickness 3.20 mm
88 %
@Thickness 0.126 in
ASTM D1003
 
Processing PropertiesMetricEnglishComments
Melt Temperature 305 - 325 °C581 - 617 °F

**
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