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Ryton® R-4 02 Data Sheet

Polyphenylene Sulfide

40% Glass Fiber

Supplied by Chevron Phillips Chemical Company LLC

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Product Description
Ryton® R-4 PPS is a 40% fiberglass reinforced polyphenylene sulfide compound that provides outstanding chemical resistance and mechanical properties even at elevated temperatures.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • Latin America
  • North America
 
Filler / Reinforcement 
  • Glass Fiber, 40% Filler by Weight
Features 
  • Good Chemical Resistance
RoHS Compliance 
Automotive Specifications 
Appearance 
  • Black
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D792
Molding Shrinkage
     
Flow : 0.125 in
in/in
 
Across Flow : 0.125 in
in/in
 
Water Absorption (73°F, 24 hr)
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
     
--
psi
ASTM D638
--
psi
ISO 527-2
Tensile Elongation (Break)
%
ASTM D638, ISO 527-2
Flexural Modulus
     
--
psi
ASTM D790
--
psi
ISO 178
Flexural Strength
psi
ASTM D790, ISO 178
Compressive Strength
psi
ASTM D695
Poisson's Ratio
 
 
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
     
0.125 in
ft·lb/in
ASTM D256
--
ft·lb/in²
ISO 180/A
Unnotched Izod Impact
     
0.125 in
ft·lb/in
ASTM D256
--
ft·lb/in²
ISO 180
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Annealed)
°F
ASTM D648
CLTE
    ASTM E831
Flow : -58 to 122°F
in/in/°F
 
Flow : 212 to 392°F
in/in/°F
 
Transverse : -58 to 122°F
in/in/°F
 
Transverse : 212 to 392°F
in/in/°F
 
Thermal Conductivity
Btu·in/hr/ft²/°F
 
UL Temperature Rating
°F
UL 746B
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohm
ASTM D257
Volume Resistivity
ohm·cm
ASTM D257
Dielectric Strength
V/mil
ASTM D149
Dielectric Constant
    ASTM D150
78°F, 1 kHz
 
 
78°F, 1 MHz
 
 
Dissipation Factor
    ASTM D150
78°F, 1 kHz
 
 
78°F, 1 MHz
 
 
Arc Resistance
sec
ASTM D495
Comparative Tracking Index (CTI)
V
UL 746
Insulation Resistance 2 (194°F)
ohm
 
Flammability
Nominal Value
Unit
Test Method
Flame Rating
 
UL 94
Oxygen Index
%
ASTM D2863
Features
Features may also be described by the following terms: Good Chemical Resistance, Chemical Resistant.
Automotive Specifications
This plastic material has approval for 1 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): FORD (1).
Available Documents
Processing - Injection Molding (English)
Processing - Machining (English)
Processing - Ryton & Xtel Process Comparison (English)
Processing - Ryton (English)
Technical Datasheet (English)
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Max Moisture
%
 
Suggested Shot Size
%
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Nozzle Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Injection Rate
 
 
Back Pressure
psi
 
Screw Speed
rpm
 
Clamp Tonnage
tons/in²
 
Cushion
in
 
Screw L/D Ratio
 
 
Screw Compression Ratio
 
 
Injection Notes
Injection Pack/Hold Pressure: Set high enough to achieve maximum cavity pressure in the part. Typically set at 60-75% of peak injection pressure.
Notes
1Typical properties: these are not to be construed as specifications.
295%RH, 48 hr
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.