MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Sumitomo Bakelite E 3938A Epoxy Molding Compound
Categories: Polymer; Thermoset; Epoxy; Epoxy Molding Compound
Material Notes: E 3938A is a fiberglass reinforced epoxy molding compound, with excellent dimensional stability, good strength, and excellent electrical insulation properties.

Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.90 g/cc1.90 g/ccASTM D792
Apparent Bulk Density 0.750 g/cc0.0271 lb/in³Powder; ASTM D1895
Water Absorption 0.20 %
@Time 173000 sec		0.20 %
@Time 48.0 hour		ASTM D570
Linear Mold Shrinkage 0.0010 cm/cm0.0010 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 86.0 MPa12500 psiASTM D638
Flexural Strength 159 MPa23100 psiASTM D790
Compressive Strength 248 MPa36000 psiASTM D695
Izod Impact, Notched 0.270 J/cm0.506 ft-lb/inASTM D256A
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 4.1
@Frequency 1e+6 Hz		4.1
@Frequency 1e+6 Hz		wet; ASTM D150
Dielectric Strength >= 16.4 kV/mm
@Frequency 60 Hz		>= 417 kV/in
@Frequency 60 Hz		ST, dry
Dissipation Factor 0.010
@Frequency 1e+6 Hz		0.010
@Frequency 1e+6 Hz		wet; ASTM D150
Arc Resistance 186 sec186 secASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 19.0 µm/m-°C10.6 µin/in-°FASTM E831
CTE, linear, Transverse to Flow 28.0 µm/m-°C15.6 µin/in-°FASTM E831
Deflection Temperature at 1.8 MPa (264 psi) 215 °C419 °FAs Molded; ASTM D658A
 >= 282 °C>= 540 °FPost Baked; ASTM D658A

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Sumitomo Bakelite E 2748A Epoxy Molding Compound
Sumitomo Bakelite E 2748-9641D Epoxy Molding Compound
Sumitomo Bakelite E 264H Epoxy Molding Compound
Sumitomo Bakelite 73-70-70 C-P Diallyl Ortho-Phthalate Molding Compount
Sumitomo Bakelite 52-40-40-P Diallyl Phthalate Molding Compound

PSUMIT130 / 193935

Specialty Compounds RTP Company




Searches:   Advanced  •   Composition  •   Property  •   Material Type  •   Manufacturer  •   Trade Name  •   UNS Number
Other Links:   Advertising  •   Submit Data  •   Database Licensing  •   Web Design & Hosting  •   Trade Publications
Supplier List  •   Unit Converter  •   Reference  •   Links  •   Help  •   Contact Us  •   Site Map  •   FAQ  •   Home
 
Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at webmaster@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2024 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.