Ryton® BR42B

About
Ryton® BR42B 40% glass fiber reinforced polyphenylene sulfide compound is specially formulated to provide low coefficient of friction and reduced wear rate for use in applications requiring low surface friction and/or wear.&&

Product Description
SupplierSolvay
GenericPPS
Material StatusCommercial: Active
FeaturesLow coefficient of friction,Good wear resistance,V-0
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.76g/cm³ASTM D792
Shrinkage rate
TD:3.2 mm0.50%
MD:3.2 mm0.20%
Water absorption rate
23℃,24hr0.020%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch9.5kJ/m²ISO 180/A
3.2mm91J/mASTM D256
Notched impact strength of cantilever beam40kJ/m²ISO 180
3.2 mm750J/mASTM D4812

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed265ASTM D648
Linear coefficient of thermal expansion
TD ASTM E831
MD ASTM E831
-50 to 50 ℃1.5E-5cm/cm/℃ASTM E831
100 to 200 ℃1.0E-5cm/cm/℃ASTM E831
-50 to 50 ℃4.0E-5cm/cm/℃ASTM E831
100 to 200 ℃8.0E-5cm/cm/℃ASTM E831
Thermal conductivity coefficient0.33W/m/K
UL temperature rating180UL 746B

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsASTM D257
Volume resistivity1.0E+16ohms·cmASTM D257
Dielectric strength22kV/mmASTM D149
Dielectric constant ASTM D150
25 ℃,1 kHz3.70 ASTM D150
25 ℃,1 MHz3.70 ASTM D150
Dissipation factor ASTM D150
25℃,1 kHz2.0E-3 ASTM D150
25℃,1 MHz3.0E-3 ASTM D150
Compared to the leakage tracing index150VUL 746
insulation resistance
90℃1.0E+11ohms

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmV-0 UL 94
Extreme oxygen index48%ASTM D2863

MECHANICALNominal valueUnitTest method
tensile strength186MPaASTM D638
tensile strength190MPaISO 527-2
Tensile strain
fracture1.6%ISO 527-2
fracture1.6%ASTM D638
Bending modulus14500MPaASTM D790
Bending modulus14000MPaISO 178
bending strength269MPaASTM D790
bending strength280MPaISO 178
compressive strength255MPaASTM D695
Poisson’s ratio0.40 
friction coefficient
&Steel – Dynamic0.32 ASTM D3702
Wear Rate1.60E-6m/hrASTM D3702
Rockwell hardness ASTM D785
M-level97 ASTM D785
R-level117 ASTM D785

Notes
1. CPN 5100
2. Typical properties: these are not to be construed as specifications.
3. Against 52100 steel; 100 hrs; 250 psi; 36 rpm; dry; ambient temperature; PV=2500
4. 95%RH, 48 hr
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