Sumitomo Bakelite North America SI 9041A 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 9041A Silicone Compound.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

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-30Information provided by Sumitomo Bak North America, Inc.

Physical Properties	Metric	English	Comments
Density	1.92 g/cc	0.0694 lb/inÂ³	ASTM D792
Water Absorption	0.24 % @Temperature 50.0 Â°C, Time 173000 sec	0.24 % @Temperature 122 Â°F, Time 48.0 hour	ASTM D570
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	0.0015 - 0.0025 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	31.0 MPa	4500 psi	ASTM D638
Flexural Strength	69.0 MPa	10000 psi	at rupture; ASTM D790
Flexural Modulus	14.7 GPa	2130 ksi	ASTM D790
Compressive Strength	61.0 MPa	8850 psi	ASTM D695
Izod Impact, Notched	3.93 J/cm	7.36 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 282 Â°C	>= 540 Â°F	Post Baked; ASTM D648A

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.0 @Frequency 1.00e+6 Hz	4.0 @Frequency 1.00e+6 Hz	wet; ASTM D150
Dielectric Strength	3.40 kV/mm @Frequency 60.0 Hz	86.4 kV/in @Frequency 60.0 Hz	step-by-step, wet; ASTM D149
	4.90 kV/mm @Frequency 60.0 Hz	124 kV/in @Frequency 60.0 Hz	short time, wet; ASTM D149
Dissipation Factor	0.022 @Frequency 1.00e+6 Hz	0.022 @Frequency 1.00e+6 Hz	wet; ASTM D150
Arc Resistance	189 sec	189 sec	ASTM D495

Descriptive Properties	Value	Comments
Color	Red
Form	Coarse Flake
Molding Method	Compression
	Transfer

Users viewing this material also viewed the following: