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Ptfe - Materials - Technical Information - Hobby and Engineering

PTFE - Polytetrafluoroethylene

MBA Products made from this material
Balls, Cages on some Ceramic Bearings, Rod

A fluorocarbon based polymer with high chemical resistance, stability at low and high temperature, resistance to weathering, electrical and thermal insulation and extremely low coefficient of friction.

Properties of PTFE

Physical Properties
PROPERTY UNIT VALUE
Density g/cm3 2.15
Surface Hardness   SD63
Tensile Strength MPa 25
Flexural Modulus GPa 0.7
Notched Izod kJ/m 0.16
Linear Expansion per oC x 0.00015
Elongation at Break % 400
Strain at Yield % 70
Max Operating Temp. oC 180
Water Absorption % 0.01
Oxygen Index % 95
Flammability UL94 V0
Volume Resistivity log ohm.cm 18
Dielectric Strength MV/m 45
Dissipation Factor @ 1kHz 0.0001
Dielectric Constant @ 1kHz 2.1
Heat Deflection Temp. @ 0.45 MPa oC 121
Heat Deflection Temp. @ 1.80 MPa oC 54
Chemical Resistance
Chemical Resistance
Acids (Concentrated) Good
Acids (Dilute) Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbon Good
Halogens Good
Ketones Good

Note! Property values are typical and should be used only as a guide to selection of materials and not as purchase specifications.

You can purchase online at Hobby & Engineering Supplies.

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Hobby and Engineering Supplies offers thousands of products including remote controlled cars, planes, boats, and helicopters. We stock spare parts for remote controlled models. Our range includes the popular Solarbotics solar model kits and spares. We also distribute the full range of miniature engineering products from Miniature Bearings Australia. This range includes small bearings, timing pulleys, timing belts, seals, o-rings, gears and more. Also available from our store in Capalaba Queensland are a full range of lubricants, adhesives, balsa wood and plastic rod and sheet materials. See our Online Catalogue for more information. Our main business is handled from our sales counter and showroom at 3239 Old Cleveland Road Capalaba West, Queensland, Australia, but we also sell by phone, fax, online and mail order. We also offer all of our hobby and engineering parts through our online store.

Using the links at the top of this page you will find extensive information including catalogues (Products and Store link), technical data, and other product specific information.

We also suggest that you may want to take a look at the technical information sites - Shafting Information, Couplings Information and Gearboxes Information.

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