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TDS - BR42B
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Chevron Phillips Chemical Company LP
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877.798.6666
Ryton®  BR42B
Polyphenylene Sulfide Resins
Ryton® BR42B PPS and Ryton® BR42C PPS are 40% fiberglass reinforced polyphenylene sulfide compounds specially formulated to have a low coefficient of friction for use in low surface friction and wear applications.
Nominal Engineering Properties(1) BR42B BR42C Test Method
  Tensile Strength, Ksi 28.0 26.0 ASTM D638
  Elongation, % 1.6 1.5 ASTM D638
  Flexural Strength, Ksi 39.0 35.0 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 13.0 10.0 ASTM D256
  Compressive Strength, Ksi 37.0 37.0 ASTM D695
  Heat Deflection Temperature 264 psi,°F >500 >500 ASTM D648
  UL Temperature Index,°C 180 180 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 10 10  
      Transverse Direction, -50°C to 50°C 40 40  
      Transverse Direction, 100°C to 200°C 85 85  
  Flammability Rating V-0 V-0 UL 94
  Thermal Conductivity, BTU·in/hr·ft2·°F 2.3 2.3  
  Dielectric Strength, V/mil 550 550 ASTM D149
  Dielectric Constant, 78° F     ASTM D150
      1kHz 3.7 3.7  
      1MHz 3.7 3.7  
  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
  Comparative Tracking Index, V 150 150 UL 746A
  Insulation Resistance, ohm (90°C, 95% RH, 48 hr) 1 x 1011 1 x 1011  
  Mold Shrinkage(2) in/in, Flow/Transverse 0.002 / 0.005 0.002 / 0.005  
  Density, g/cc 1.76 1.76 ASTM D792
  Water Absorption, % (23°C, 24 hr) 0.02 0.02 ASTM D570
  Color Natural Black  
  Wear Rate(3), in/hr 5 x 10-5     ASTM D3702
  Coefficient of Friction(3) 0.32   ASTM D3702
(1) Test specimen molding conditions:  Stock temperature, 600-650° F; Mold temperature, 275°F
(2) Measured on 4 in X 4 in X 1/8 in Plaques, Edge Gated
(3) Against 52100 steel;  100 hours;  50 pound load (250 psi);  36 RPM;  Dry;  Ambient Temperature;  PV=2500
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® BR42B
Polyphenylene Sulfide Resins
Ryton® BR42B PPS and Ryton® BR42C PPS are 40% fiberglass reinforced polyphenylene sulfide compounds specially formulated to have a low coefficient of friction for use in low surface friction and wear applications.
Nominal Engineering Properties(5) BR42B BR42C Method
  Tensile Strength, MPa 190 175 ISO 527
  Elongation, % 1.6 1.6 ISO 527
  Flexural Strength, MPa 275 250 ISO 178
  Flexural Modulus, GPa 14 14 ISO 178
  Notched Izod Impact, kJ/m2 9.5 7.0 ISO 180A
  Unnotched Izod Impact, kJ/m2 40 35 ISO 180U
  Compressive Strength, MPa 255 255 ISO 604
  Heat Deflection Temperature 1.8 MPa,°C >260 >260 ISO 75
  UL Temperature Index,°C 180 180 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 10 10   
      Transverse Direction, -50°C to 50°C 40 40   
      Transverse Direction, 100°C to 200°C 85 85    
  Flammability Rating V-0 V-0 UL 94
  Thermal Conductivity, W/m·K 0.33 0.33  
  Dielectric Strength, kV/mm 22 22 ASTM D149
  Dielectric Constant, 25°C       ASTM D150
      1kHz 3.7 3.7   
      1MHz 3.7 3.7   
  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
  Comparative Tracking Index, V 150 150 UL 746A
  Insulation Resistance, ohm (90°C, 95% RH, 48 hr) 1 x 1011 1 x 1011  
  Mold Shrinkage(6) m/m, Flow/Transverse 0.002 / 0.005 0.002 / 0.005  
  Density, g/cc 1.76 1.76 ISO 1183A
  Water Absorption, % 0.02 0.02 ASTM D570
  Color Natural Black  
  Wear Rate(7), mm/hr 1 x 10-3     ASTM D3702
  Coefficient of Friction(7) 0.32   ASTM D3702
(5) Test specimen molding conditions:  Stock temperature, 315-345° F; Mold temperature, 135°F
(6) Measured on 102 mm X 102 mm X 3.2 mm Plaques, Edge Gated
(7) Against 52100 steel;  100 hours;  22.7 kg load (1.7 MPa);  36 RPM;  Dry;  Ambient Temperature;  PV=2500
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 #440720 Revision Date January, 2008
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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