HobbyParts Petp - Materials - Technical Information

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HobbyParts Petp - Materials - Technical Information

PETP - Polyethylene Terephthalate Polyester

MBA Products made from this material
Rod, Bushes

PETP - Polyethylene Terephthalate Polyester is a very hard and stiff material with little water absorption. MBA supply Polyester under the Dotmar tradename Ertalyte^TM

Properties of PETP

Physical Properties
PROPERTY	UNIT	VALUE
Density	g/cm³	1.3-1.4
Surface Hardness	Rockwell M	94-101
Tensile Strength	MPa	80
Tensile Modulus	GPa	2-4
Max Operating Temp.	^oC	115-170
Water Absorption	%	0.1
Oxygen Index	%	21
Flammability	:	Self Extinguishing
Volume Resistivity	ohm.cm	>10¹⁴
Dielectric Strength	kV.mm^-1	17
Dissipation Factor	@ 1kHz	0.002
Dielectric Constant	@ 1kHz	3.0
Heat Deflection Temp. @ 0.45 MPa	^oC	115
Heat Deflection Temp. @ 1.80 MPa	^oC	80

Chemical Resistance
Chemical	Resistance
Acids (Concentrated)	Good
Acids (Dilute)	Good
Alcohols	Good
Alkalis	Poor
Aromatic hydrocarbons	Fair
Greases and Oils	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 H.E. Supplies.

H.E. Supplies Main Pages

Online Catalogue - Accessories

Online Catalogue - Engine Parts

Online Catalogue - Helicopters

Technical Index

Product Technical Information

Balls	Bearings	Couplings
Pins	Shafting	Timing Belts and Pulleys

Other Technical Information

Basic Information Sheets	Catalogues	Glossary of Technical Terms
Links to Further Information	Materials Information	Measurement Conversions
Skate Bearing FAQ	Technical Information Sheets

Tables and information on this web site should be read as a general guide only. The relevant standards should be consulted to ensure accuracy

There are no further parts to this document.

HES Terms and Conditions of Sale

Site Summary:

H.E. Supplies (Hobby 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 Mansfield Queensland are a full range of lubricants, adhesives, kites, 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 186 Wecker Road Mansfield, Queensland, Australia, but we also sell by phone, fax, online and mail order. We offer all of our hobby parts through our online store and some of the more popular MBA items. If you would like to purchase other MBA items online, Small Parts and Bearings offer the full range in their online catalogue.

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.

THE RIGHT MIX OF BUSINESS AND PLEASURE