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Sumitomo Bakelite North America SI 9550 Silicone Compound

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Silicone , Silicone, Molded, Glass Fiber Filled
Manufacturer Sumitomo Bakelite North America
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite North America SI 9550 Silicone Compound.pdf
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Material Notes:
SI 9550 is a short fiberglass reinforced silicone molding compound, which offers moderate strength properties, and dimensional stability and excellent long-term thermal stability at elevated temperatures.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Bulk Density 0.900 g/cc
0.0325 lb/in³
ASTM D1895
Density 1.89 g/cc
0.0683 lb/in³
ASTM D792
Water Absorption 0.090 %

@Temperature 23.0 °C,
Time 86400 sec
0.090 %

@Temperature 73.4 °F,
Time 24.0 hour
ASTM D570
Linear Mold Shrinkage 0.0010 - 0.0030 cm/cm
0.0010 - 0.0030 in/in
ASTM D955
Mechanical Properties Metric English Comments
Hardness, Rockwell M 75
75
ASTM D2583
Tensile Strength at Break 37.0 MPa
5370 psi
ASTM D638
Flexural Strength 65.0 MPa
9430 psi
at rupture; ASTM D790
Flexural Modulus 13.0 GPa
1890 ksi
ASTM D790
Compressive Strength 88.0 MPa
12800 psi
ASTM D695
Izod Impact, Notched 0.200 J/cm
0.375 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) >= 282 °C
>= 540 °F
Post Baked; ASTM D648A
Electrical Properties Metric English Comments
Dielectric Strength 8.10 kV/mm

@Frequency 60.0 Hz
206 kV/in

@Frequency 60.0 Hz
step-by-step, wet; ASTM D149
13.3 kV/mm

@Frequency 60.0 Hz
338 kV/in

@Frequency 60.0 Hz
short time, wet; ASTM D149
Arc Resistance 240 sec
240 sec
ASTM D495
Descriptive Properties Value Comments
Color Red, Black
Form Granular
Molding Method Compression
Injection
Transfer
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