Chevron Phillips Ryton® R-4 04 PPS (Polyphenylene Sulfide)

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Chevron Phillips Ryton® R-4 04 PPS (Polyphenylene Sulfide) (discontinued **)
Categories:	Polymer; Thermoplastic; Polyphenylene Sulfide (PPS); Polyphenylene Sulfide (PPS) with 40% Glass Fiber Filler
Material Notes:	Ryton® PPS is used in many electronic and automotive applications because of its high strength, favorable electrical properties, and high temperature stability. Data provided by the manufacturer. 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.
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Physical Properties	Metric	English	Comments

Density	1.65 g/cc	0.0596 lb/in³	ASTM D792
Water Absorption	0.050 %	0.050 %	ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	123	123
Tensile Strength, Ultimate	145 MPa	21000 psi	ASTM D638
Tensile Strength, Yield	145 MPa	21000 psi	ASTM D638
Elongation at Break	1.1 %	1.1 %	ASTM D638
Modulus of Elasticity	15.0 GPa	2180 ksi	ASTM D638
Flexural Yield Strength	186 MPa	27000 psi	ASTM D790
Flexural Modulus	14.0 GPa	2030 ksi	ASTM D790
Compressive Yield Strength	179 MPa	26000 psi	ASTM D695
Poissons Ratio	0.384	0.384
Fatigue Strength	58.0 MPa @# of Cycles 1.00e+6	8410 psi @# of Cycles 1.00e+6	10 Hz, ASTM Type I tensile bar
Shear Modulus	5.42 GPa	786 ksi	Calculated
Shear Strength	90.0 MPa	13100 psi	ASTM D732
Izod Impact, Notched	0.740 J/cm	1.39 ft-lb/in	ASTM D256
Izod Impact, Unnotched	3.20 J/cm	5.99 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Electrical Resistivity	4.50e+16 ohm-cm	4.50e+16 ohm-cm	ASTM D257
Surface Resistance	1.00e+13 ohm @Temperature 90.0 °C	1.00e+13 ohm @Temperature 194 °F	95% RH, 48 hrs
Insulation Resistance	1.00e+11 ohm	1.00e+11 ohm	Accelerated; 194°F; 95% RH; 2 days; ASTM D257
Dielectric Constant	4.0 @Frequency 1e+6 Hz	4.0 @Frequency 1e+6 Hz	ASTM D150
	4.1 @Frequency 1000 Hz	4.1 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	14.0 kV/mm	356 kV/in	ASTM D149
Dissipation Factor	0.0022 @Frequency 1000 Hz	0.0022 @Frequency 1000 Hz	ASTM D150
	0.0036 @Frequency 1e+6 Hz	0.0036 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	124 sec	124 sec	ASTM D495
Comparative Tracking Index	160 V	160 V	UL 746A

Thermal Properties	Metric	English	Comments
CTE, linear	12.0 µm/m-°C @Temperature 100 °C	6.67 µin/in-°F @Temperature 212 °F
	18.0 µm/m-°C @Temperature -100 °C	10.0 µin/in-°F @Temperature -148 °F
	40.0 µm/m-°C @Temperature 20.0 °C	22.2 µin/in-°F @Temperature 68.0 °F	In machine direction.
	100 µm/m-°C @Temperature 250 °C	55.6 µin/in-°F @Temperature 482 °F
CTE, linear, Transverse to Flow	22.0 µm/m-°C @Temperature 250 °C	12.2 µin/in-°F @Temperature 482 °F
	30.0 µm/m-°C @Temperature -100 °C	16.7 µin/in-°F @Temperature -148 °F
	40.0 µm/m-°C @Temperature 20.0 °C	22.2 µin/in-°F @Temperature 68.0 °F
	80.0 µm/m-°C @Temperature 100 °C	44.4 µin/in-°F @Temperature 212 °F
Specific Heat Capacity	1.00 J/g-°C	0.239 BTU/lb-°F	Estimated from similar grades.
Thermal Conductivity	0.290 W/m-K	2.01 BTU-in/hr-ft²-°F	Estimated from similar grades.
Melting Point	285 °C	545 °F
Maximum Service Temperature, Air	200 - 220 °C	392 - 428 °F	UL temperature Index
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F	ASTM D648
Glass Transition Temp, Tg	88.0 °C	190 °F
Flammability, UL94	5VA	5VA	V-0/5VA UL-94 Rating
Oxygen Index	50 %	50 %	Estimated from similar grades.; ASTM D2863

Processing Properties	Metric	English	Comments
Melt Temperature	304 - 343 °C	579 - 649 °F

**
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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