Ryton® R-7-232BL

About
Ryton® R-7-232BL glass fiber and mineral filled polyphenylene sulfide compound provides enhanced mechanical strength after constant or repeated exposure to high temperature environments. Ryton R-7-232BL is for applications which require food approvals and is in line with current FDA and EU Food 10/2011 regulations.&&

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

Technical Data
PHYSICALNominal valueUnitTest method
Density1.98g/cm³ASTM D792
Shrinkage rate
MD:3.2 mm0.18%
TD:3.2 mm0.59%
Water absorption rate
23℃,24hr8.0E-3%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
3.2mm59J/mASTM D256
10kJ/m²ISO 180-A
-40℃9.2kJ/m²ISO 180
Notched impact strength of cantilever beam
3.2 mm290J/mASTM D4812
21kJ/m²ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed262ASTM D648
Melting temperature285
Linear coefficient of thermal expansion
MD:-50~50℃1.2E-51/℃
MD:50~100℃1.3E-51/℃
MD:125~200℃1.2E-51/℃
TD:-50~50℃2.6E-51/℃
TD:50~100℃3.7E-51/℃
TD:100~200℃7.5E-51/℃
UL temperature rating220 to 240UL 746B

Electrical performanceNominal valueUnitTest method
Surface resistivity5.2E+15ohmsASTM D257
Volume resistivity1.5E+16ohms·cmASTM D257
Dielectric strength12kV/mmASTM D149
Dielectric constant
25 ℃,1 kHz4.24 
25 ℃,1 MHz4.20 
Dissipation factor
25℃,1 kHz2.0E-3 
25℃,1 MHz1.0E-3 
Arc resistance192secASTM D495
Compared to the leakage tracing index225VUL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level101 
R-level120 
Tensile modulus21400MPaISO 527-2
tensile strength150MPaISO 527-2
Tensile strain
fracture0.90%ISO 527-2
Bending modulus20800MPaISO 178
bending strength230MPaISO 178
compressive strength265MPaASTM D695
Poisson’s ratio0.34 ISO 527

Notes
1. Typical properties: these are not to be construed as specifications.
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