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
ATSP Innovations Estherm™ Copolyester
Categories: Polymer; Thermoplastic; Polyester, TP

  • High modulus (>3 GPa)
  • High working temperature (Tg > 250°C)
  • Excellent oxidative stability
  • Very low moisture pickup
  • Non-flammable
  • Cryogenic-safe
  • Easy machinability—low dust
Estherm™ uses a new class of polyesters called aromatic thermosetting copolyesters (ATSP). ATSP is a high performance polymer that has the best of both thermoset and thermoplastic systems. It has high dimensional stability and performance like thermosets while being recyclable like thermoplastics.

This data was provided by ATSP Innovations

Available Properties
  • Density
  • Tensile Strength, ASTM D883
  • Tensile Modulus, ASTM D883
  • Compressive Strength, ASTM D695
  • Dielectric Constant
  • Dielectric Strength
  • CTE, linear
  • Maximum Service Temperature, Air
  • Maximum Service Temperature, Inert
  • Glass Transition Temp, Tg
  • Oxygen Index
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:

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.