SD POLYCA™ CR3420T

About
Alloy Grades PC / Polyester&&

Product Description
SupplierSumitomo
GenericPC+PBT
Material StatusCommercial: Active
FeaturesHigh impact resistance,High Heat Resistance,Solvent resistance
AvailabilitysAsia Pacific

Technical Data
PHYSICALNominal valueUnitTest method
Density1.21g/cm³ISO 1183
Melt Volume Rate
250℃,5 kg8.00cm³/10minISO 1133
Shrinkage rate
MD0.60 to 0.80%
TD0.60 to 0.80%
Water absorption rate
23℃,24hr0.20%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃10kJ/m²ISO 179
Impact strength of cantilever beam notch
23℃98J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed128ASTM D648
1.8 MPa, unannealed118ASTM D648
1.8 MPa, unannealed115ISO 75-2/A
Linear coefficient of thermal expansion
MD7.0E-51/℃
TD7.0E-51/℃

optical performanceNominal valueUnitTest method
Transmittance83.0%ASTM D1003
Haze6.0%ASTM D1003

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level120 ASTM D785
Tensile modulus2400MPaISO 527-2
tensile strength65.0MPaASTM D638
Tensile strain
fracture130%ASTM D638
Bending modulus
2330MPaASTM D790
2350MPaISO 178
bending strength
94.0MPaASTM D790
95.0MPaISO 178

Notes
1. Typical properties: these are not to be construed as specifications.
2. 4mmt
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