Polytetrafluorethylene Balls

Polytetrafluorethylene Balls (Teflon®) are a well known non-friction material which is resistant to most corrosive agents and is electrically non-conductive. Teflon is particularly suitable for use in apparatus designed to handle cryogenic liquids and acids.


Physical Properties

Specific Gravity 2.14-2.24
Water Absorbtion (Method A, 24hr)% 0.01
Tensile Strength at Yield, 100 psi 2.5-6
Elongated at Yield, % 150-600
Elastic Modulus In Tension, 10 to the 5th power psi 0.95-1.15
Flexural Strength in Tension, 10 to the 5th power psi no break
Elastic Modulus in Flexure, 10 to the 5th power psi 0.7-1.1
Compressive Strength at Yield, 1000 psi —–
Rockwell Hardness (Method A) D50-D65, R25
Maximum Service Temperature in °F 450
Natural Color white
Color Possibilities limited
Clarity opaque


Teflon® is a registered trademark of DuPont.

The information on this web site is intended for guidance only. Since we gathered technical data from various technical sources, the actual mechanical and physical properties will vary from one lot of material to the next. Therefore, we accept no liability for deficiencies or damages arising from the use of this data, and customers should determine the suitability of a material or product by conducting practical tests under realistic conditions.