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Rulon Bearings

Chevron Phillips Ryton® R-7-220NA Polyphenylene Sulfide Resin  (discontinued **)
Categories: Polymer; Thermoplastic; Polyphenylene Sulfide (PPS)

Material Notes: Ryton® R-7-220 is a glass and mineral filled polyphenylene sulfide compound developed to provide good mechanical strength and enhanced hydrolytic stability in applications requiring constant or repeated exposure to high temperature water.

Measured on 102mm x 102mm x 3.2 mm plaques, edge gated.

Information provided by Chevron Phillips

Solvay Specialty Polymers has acquired the Ryton product line. This product was discontinued prior to the acquisition and is listed under the Chevron Phillips name for historical purposes.

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 1.95 g/cc0.0704 lb/in³ISO 1183A
Water Absorption 0.020 %0.020 %ASTM D-570
Linear Mold Shrinkage, Flow 0.0020 cm/cm0.0020 in/in
Linear Mold Shrinkage, Transverse 0.0050 cm/cm0.0050 in/in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 165 MPa23900 psiISO 527
Elongation at Yield 1.2 %1.2 %ISO 527
Flexural Strength 255 MPa37000 psiISO 178
Flexural Modulus 19.0 GPa2760 ksiISO 178
Compressive Strength 275 MPa39900 psiISO 604
Izod Impact, Notched (ISO) 7.00 kJ/m²3.33 ft-lb/in²ISO 180A
Izod Impact, Unnotched (ISO) 25.0 kJ/m²11.9 ft-lb/in²ISO 180A
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cmASTM D-257
Dielectric Constant  4.5
@Frequency 1000 Hz
4.5
@Frequency 1000 Hz
ASTM D-150
 4.5
@Frequency 1e+6 Hz
4.5
@Frequency 1e+6 Hz
ASTM D-150
Dielectric Strength 18.0 kV/mm457 kV/inASTM D-149
Dissipation Factor  0.0020
@Frequency 1000 Hz
0.0020
@Frequency 1000 Hz
ASTM D-150
 0.0030
@Frequency 1e+6 Hz
0.0030
@Frequency 1e+6 Hz
ASTM D-150
Arc Resistance 180 sec180 secASTM D-495
 
Thermal PropertiesMetricEnglishComments
CTE, linear  15.0 µm/m-°C
@Temperature -50.0 - 50.0 °C
8.33 µin/in-°F
@Temperature -58.0 - 122 °F
Axial; ISO 11359-2
 15.0 µm/m-°C
@Temperature 100 - 200 °C
8.33 µin/in-°F
@Temperature 212 - 392 °F
Axial; ISO 11359-2
CTE, linear, Transverse to Flow  30.0 µm/m-°C
@Temperature -50.0 - 50.0 °C
16.7 µin/in-°F
@Temperature -58.0 - 122 °F
ISO 11359-2
 70.0 µm/m-°C
@Temperature 100 - 200 °C
38.9 µin/in-°F
@Temperature 212 - 392 °F
ISO 11359-2
Deflection Temperature at 1.8 MPa (264 psi) >= 260 °C>= 500 °FISO 75
Flammability, UL94 V-0V-0
 
Processing PropertiesMetricEnglishComments
Melt Temperature 315 - 345 °C599 - 653 °F
Mold Temperature 135 °C275 °F
 
Descriptive Properties
Hydrolytic Stability; Tensile Strength Retained>75%1000 hr in water at 140°C
Hydrolytic Stability; Weight Gain %<11000 hr in water at 140°C

**
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