
Polyphenylene Sulfide
Ryton R-4
Ryton® R-4 and R-4-02 40% glass fiber reinforced polyphenylene sulfide compounds provide a good combination of mechanical and electrical properties with outstanding chemical resistance, even at elevated temperatures.
Processes
- Injection Mold Tooling & Parts
Properties
- High temp
- Chemical-resistant
Features
- Chemical Resistant
- Good Electrical Properties
Applications
- Automotive Application
Properties
General | ||||
Material Status
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Availability
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Filler / Reinforcement
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Features
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Uses
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Appearance
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Forms
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Processing Method
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Mechanical |
Nominal Value
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Unit
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Test Method
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Tensile Strength
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—
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23000
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psi
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ASTM D638 |
—
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21800
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psi
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ISO 527-2 |
Tensile Elongation
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Break
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1.1
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%
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ASTM D638 |
Break
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1.2
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%
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ISO 527-2 |
Flexural Modulus
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—
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2.10E+6
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psi
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ASTM D790 |
—
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2.03E+6
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psi
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ISO 178 |
Flexural Strength
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—
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32000
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psi
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ASTM D790 |
—
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31900
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psi
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ISO 178 |
Compressive Strength
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39200
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psi
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ASTM D695 |
Poisson’s Ratio
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0.38
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Thermal |
Nominal Value
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Unit
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Test Method
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Deflection Temperature Under Load (264 psi, Unannealed)
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509
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°F
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ASTM D648 |
CLTE
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ASTM E831 | ||
Flow : -58 to 122°F
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1.1E-5
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in/in/°F
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Flow : 212 to 392°F
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8.3E-6
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in/in/°F
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Transverse : -58 to 122°F
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2.2E-5
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in/in/°F
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Transverse : 212 to 392°F
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4.4E-5
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in/in/°F
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Thermal Conductivity
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2.2
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Btu·in/hr/ft²/°F
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UL Temperature Rating
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392 to 428
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°F
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UL 746B |
Electrical |
Nominal Value
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Unit
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Test Method
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Surface Resistivity
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1.0E+16
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ohms
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ASTM D257 |
Volume Resistivity
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1.0E+16
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ohms·cm
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ASTM D257 |
Dielectric Strength
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500
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V/mil
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ASTM D149 |
Dielectric Constant
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ASTM D150 | ||
77°F, 1 kHz
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3.90
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77°F, 1 MHz
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3.80
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Dissipation Factor
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ASTM D150 | ||
77°F, 1 kHz
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2.0E-3
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77°F, 1 MHz
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2.0E-3
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Arc Resistance
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125
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sec
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ASTM D495 |
Comparative Tracking Index (CTI)
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PLC 4
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UL 746A | |
Comparative Tracking Index
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175
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V
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IEC 60112 |
Insulation Resistance 3 (194°F)
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1.0E+11
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ohms
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Flammability |
Nominal Value
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Unit
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Test Method
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Flame Rating (0.06 in)
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UL 94 | |
Oxygen Index
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47
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%
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ASTM D2863 |
Notes |
395%RH, 48 hr |
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