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
Ensinger PEI
Bakelite® UP 3420 Unsaturated Polyester Resin, High Mechanical Strength, High Arc Resistance, UL Listed, Low Shrinkage
Categories: Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC

Material Notes: Polyester molding compound, inorganically filled, glass fiber reinforced, styrene free, good dimensional stability, high mechanical strength, non flammable, UL listed molding compound 0.75 mm / V-0 (ALL).

Applications: Electrotechnical parts, e. g. ceramic substitution, thermally and mechanically stressed housing parts, arc chambers, MCB housings.

Available Properties
  • Density, ISO 1183
  • Apparent Bulk Density, ISO 60
  • Linear Mold Shrinkage, ISO 2577, Compression Molding. Post Shrinkage = 0.05%.
  • Linear Mold Shrinkage, ISO 2577, Injection Molding. Post Shrinkage = 0.05%.
  • Ball Indentation Hardness, ISO 2039/P1, H961/30
  • Tensile Strength, ISO 527 - 1/2
  • Tensile Modulus, ISO 527 - 1/2
  • Flexural Strength, ISO 178
  • Flexural Modulus, ISO 178
  • Compressive Strength, ISO 604
  • Charpy Impact Unnotched, ISO 179-1 eU
  • Charpy Impact, Notched, ISO 179-1eA
  • Volume Resistivity
  • Surface Resistance
  • Dielectric Constant
  • Dielectric Strength, IEC 60243-P1
  • Dissipation Factor
  • Arc Resistance, ASTM D495
  • High Voltage Arc Resistance to Ignition (HVAR), ALL
  • Comparative Tracking Index
  • Hot Wire Ignition, HWI, ALL
  • Hot Wire Ignition, HWI, ALL
  • High Amp Arc Ignition, HAI, ALL
  • High Voltage Arc-Tracking Rate, HVTR, ALL
  • Maximum Service Temperature, Air, IEC 60216-P1, <20000 hours
  • Maximum Service Temperature, Air, IEC 60216-P1, < 50 hours
  • Deflection Temperature at 8.0 MPa, ISO 75-2
  • UL RTI, Electrical, ALL
  • UL RTI, Mechanical with Impact, ALL
  • UL RTI, Mechanical with Impact, (ALL)
  • UL RTI, Mechanical without Impact, (ALL)
  • UL RTI, Mechanical without Impact, (ALL)
  • UL RTI, Mechanical without Impact, (ALL)
  • Flammability, UL94, All colors
  • Feed Temperature, Injection molding
  • Nozzle Temperature, Injection molding
  • Melt Temperature, Injection molding
  • Mold Temperature, Injection molding
  • Mold Temperature, Compression molding
  • Injection Pressure, Compression and injection cavity mold pressure
  • Back Pressure, Injection molding
  • Cure Time, Per 1 mm of wall thickness, injection molding
  • Cure Time, Per 1 mm of wall thickness, compression molding
Property Data

This page displays only the text
of a material data sheet.

To see MatWeb's complete data
sheet for this material (including
material property data, metal
compositions, material suppliers,
), please click the button below.

Manufacturer Notes:
Bakelite® Summit; Hexion Specialty Chemicals (former Bakelite AG and/or Momentive Performance Materials)

Category Notes

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.


Visit Zeus Inc. for PEEK Tubing
Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at 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.