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TDS - R-4-220
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Chevron Phillips Chemical Company LP
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Ryton® R-4-220
Polyphenylene Sulfide Resins
Ryton®  R-4-220 PPS is an advanced 40% fiberglass reinforced polyphenylene sulfide compound formulated for enhanced hydrolytic stability in applications requiring constant or repeated exposure to high temperature water. 
Nominal Engineering Properties(1) R-4-220NA R-4-220BL Test Method
  Tensile Strength, Ksi 28.0 26.0 ASTM D638
  Elongation, % 1.6 1.5 ASTM D638
  Flexural Strength, Ksi 39.0 36.0 ASTM D790
  Flexural Modulus, Msi 2.1 2.1 ASTM D790
  Notched Izod Impact, ft·lb/in, 1/8 in specimen 1.6 1.4 ASTM D256
  Unnotched Izod Impact, ft·lb/in, 1/8 in specimen 12.0 10.0 ASTM D256
  Compressive Strength, Ksi 39.0 39.0 ASTM D695
  Heat Deflection Temperature 264 psi,°F(2) >500 >500 ASTM D648
  UL Temperature Index,°C 200 / 220 200 / 220 UL 746B
  Coefficient of Linear Thermal Exp., X 10-6 in/in/°C     ASTM E831
      Axial Direction, -50°C to 50°C 15 15  
      Axial Direction, 100°C to 200°C 15 15  
      Transverse Direction, -50°C to 50°C 40 40  
      Transverse Direction, 100°C to 200°C 90 90  
  Flammability Rating V-0 V-0 UL 94
  Thermal Conductivity, BTU·in/hr·ft2·°F 2.1 2.1  
  Dielectric Strength, V/mil 550 550 ASTM D149
  Dielectric Constant, 78° F     ASTM D150
      1kHz 3.8 3.8  
      1MHz 3.8 3.8  
  Dissipation Factor, 78°F       ASTM D150
      1 kHz 0.002 0.002   
      1 MHz 0.003 0.003   
  Volume Resistivity, ohm·cm 1 x 1016 1 x 1016 ASTM D257
  Arc Resistance, sec 125 125 ASTM D495
  Comparative Tracking Index, V 150 150 UL 746A
  Mold Shrinkage(3) in/in, Flow/Transverse 0.003 / 0.005 0.003 / 0.005  
  Density, g/cc 1.68 1.68 ASTM D792
  Water Absorption, % 0.02 0.02 ASTM D570
  Color Natural Black  
  Hydrolytic Stability(4)      
      Tensile Strength Retained, % >80 >80  
      Weight Gain, % <1.0 <1.0  
(1) Test specimen molding conditions:  Stock Temperature, 600-650° F; Mold Temperature, 275° F
(2) Annealed 2 hours at 400° F
(3) Measured on 4 in X 4 in X 1/8 in Plaques, Edge Gated
(4) Test specimens aged 1000 hours in water at 140° C (284° F)
The nominal properties reported herein are typical of the product but do not reflect normal testing variances and therefore should not be used for specification purposes.
Ryton® R-4-220
Polyphenylene Sulfide Resins
Ryton®  R-4-220 PPS is an advanced 40% fiberglass reinforced polyphenylene sulfide compound formulated for enhanced hydrolytic stability in applications requiring constant or repeated exposure to high temperature water. 
Nominal Engineering Properties(5) R-4-220NA R-4-220BL Method
  Tensile Strength, MPa 190 175 ISO 527
  Elongation, % 1.6 1.4 ISO 527
  Flexural Strength, MPa 270 250 ISO 178
  Flexural Modulus, GPa 14 14 ISO 178
  Notched Izod Impact, kJ/m2 9.0 8.0 ISO 180A
  Unnotched Izod Impact, kJ/m2 35 30 ISO 180A
  Compressive Strength, MPa 265 265 ISO 604
  Heat Deflection Temperature 1.8 MPa,°C(6) >260 >260 ISO 75
  UL Temperature Index,°C 200 / 220 200 / 220 UL 746B
  Coefficient of Linear Thermal Exp., X 10-6 m/m/°C     ISO 11359-2
      Axial Direction, -50°C to 50°C 15 15   
      Axial Direction, 100°C to 200°C 15 15   
      Transverse Direction, -50°C to 50°C 40 40   
      Transverse Direction, 100°C to 200°C 90 90    
  Flammability Rating V-0 V-0 UL 94
  Thermal Conductivity, W/m·K 0.31 0.31  
  Dielectric Strength, kV/mm 22 22 ASTM D149
  Dielectric Constant, 25°C       ASTM D150
      1kHz 3.8 3.8   
      1MHz 3.8 3.8   
  Dissipation Factor, 25°C       ASTM D150
      1 kHz 0.002 0.002   
      1 MHz 0.003 0.003   
  Volume Resistivity, ohm·cm 1 x 1016 1 x 1016 ASTM D257
  Arc Resistance, sec 125 125 ASTM D495
  Comparative Tracking Index, V 150 150 UL 746A
  Insulation Resistance, ohm (90°C, 95% RH, 48 hr) 1 x 1012 1 x 1012    
  Mold Shrinkage(7) m/m, Flow/Transverse 0.003 / 0.005 0.003 / 0.005  
  Density, g/cc 1.68 1.68 ISO 1183A
  Water Absorption, % 0.02 0.02 ASTM D570
  Color Natural Black  
  Hydrolytic Stability(8)            
      Tensile Strength Retained, % >80 >80  
      Weight Gain, % <1.0 <1.0  
(5) Test specimen molding conditions:  Stock Temperature, 314-345°  C; Mold Temperature, 135° C.
(6) Annealed 2 hours at 200° C
(7) Measured on 102 mm X 102 mm X 3.2 mm Plaques, Edge Gated
(8) Test specimens aged 1000 hours in water at 140° C
The nominal properties reported herein are typical of the product but do not reflect normal testing variances and therefore should not be used for specification purposes.
MSDS #298380 Revision Date June, 2006
Before using this product, the user is advised and cautioned to make its own determination and assessment of the safety and suitability of the product for the specific use in question and is further advised against relying on the information contained herein as it may relate to any specific use or application. It is the ultimate responsibility of the user to ensure that the product is suited and the information is applicable to the user's  specific application. Chevron Phillips Chemical Company LP does not make, and expressly disclaims, all warranties, including warranties of merchantability or fitness for a particular purpose, regardless of whether oral or written, express or implied, or allegedly arising from any usage of any trade or from any course of dealing in connection with the use of the information contained herein or the product itself. The user expressly assumes all risk and liability, whether based in contract, tort or otherwise, in connection with the use of the information contained herein or the product itself. Further, information contained herein is given without reference to any intellectual property issues, as well as federal, state or local laws which may be encountered in the use thereof. Such questions should be investigated by the user.
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