Sumitomo Silicone SI 9041A

About
SI 9041A is a long fiberglass reinforced silicone molding compound, which exhibits excellent high temperature properties in addition to good molding characteristics for transfer and compression molding. Meets the requirements of ASTM D5948 Type MSI-30.&&

Product Description
SupplierSBHPP
Generic硅酮
Material StatusCommercial: Active
FeaturesExcellent Processability,High Heat Resistance
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.92g/cm³ASTM D792
Shrinkage rate
MD0.15 to 0.25%ASTM D955

MECHANICALNominal valueUnitTest method
tensile strength31.0MPaASTM D638
Bending modulus14700MPaASTM D790
bending strength69.0MPaASTM D790
compressive strength62.0MPaASTM D695

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch380J/mASTM D256-A

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, annealed> 282ASTM D648-A
Linear coefficient of thermal expansion
MD1.0E-51/℃ASTM E831

Electrical performanceNominal valueUnitTest method
Dielectric strength ASTM D149
4.9kV/mmASTM D149
3.4kV/mmASTM D149
Dielectric constant
1 MHz4.00 ASTM D150
Dissipation factor
1 MHz0.022 ASTM D150
Arc resistance189secASTM D495

Notes
1. Typical properties: these are not to be construed as specifications.
2. Wet, 60 Hz
3. Method A (Short-Time)
4. Method B (Step-by-Step)
5. Wet
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