Ryton® R-7-220BL

About
Ryton® R-7-220BL glass fiber and mineral filled polyphenylene sulfide compound provides enhanced mechanical strength after constant or repeated exposure to high temperature water.&&

Product Description
SupplierSolvay
GenericPPS
Material StatusCommercial: Active
FeaturesGood Rigidity
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.95g/cm³ASTM D792
Shrinkage rate
TD:3.2 mm0.40%
MD:3.2 mm0.20%
Water absorption rate
23℃,24hr0.020%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch8.0kJ/m²ISO 180/A
3.2mm69J/mASTM D256
Notched impact strength of cantilever beam20kJ/m²ISO 180
3.2 mm270J/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 ℃3.0E-5cm/cm/℃ASTM E831
100 to 200 ℃7.0E-5cm/cm/℃ASTM E831
Thermal conductivity coefficient0.51W/m/K
UL temperature rating220 to 240UL 746B

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsASTM D257
Volume resistivity1.0E+15ohms·cmASTM D257
Dielectric strength18kV/mmASTM D149
Dielectric constant ASTM D150
25 ℃,1 kHz5.00 ASTM D150
25 ℃,1 MHz4.90 ASTM D150
Dissipation factor ASTM D150
25℃,1 kHz0.020 ASTM D150
25℃,1 MHz0.010 ASTM D150
Arc resistance185secASTM D495
Compared to the leakage tracing index175VUL 746
insulation resistance
90℃1.0E+11ohms

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmV-0 5VA UL 94
Extreme oxygen index62%ASTM D2863

Supplementary informationNominal valueUnitTest method
Hydrolysis stability 
Tensile strength Retained> 75%
Weight gain< 1.0%

MECHANICALNominal valueUnitTest method
tensile strength152MPaASTM D638
tensile strength155MPaISO 527-2
Tensile strain
fracture1.0%ISO 527-2
fracture1.0%ASTM D638
Bending modulus19300MPaASTM D790
Bending modulus19000MPaISO 178
bending strength234MPaASTM D790
bending strength240MPaISO 178
compressive strength295MPaASTM D695
Poisson’s ratio0.35 ISO 527
Rockwell hardness ASTM D785
M-level99 ASTM D785
R-level116 ASTM D785

Notes
1. Typical properties: these are not to be construed as specifications.
2. 95%RH, 48 hr
3. Test specimens aged 1000 hours in water at 140°C (284°F)
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