Trelleborg Sealing Solutions Bridgwater
Dunball Park, Dunball, Bridgwater, Somerset, TA6 4TP, United Kingdom Telephone: +44 (0) 1278 686800, Fax: +44 (0) 1278 686848 Trelleborg Sealing Solutions UK Ltd Registered number: 446036 England,
WEPF248 Registered Office Ashchurch, Glos. GL20 8JS. www.trelleborg.com ISSUE 01
Material Data Sheet
Material 7280
Description:
A high grade composition of virgin PTFE compounded with glass fibre and lubricant.
Specifically developed for use in rotary sealing applications, notably in rotary shaft seals.
Material 7280 also exhibits outstanding resistance to most fluids and is only chemically
attacked by alkali metals and fluorinating agents at high temperature.
Colour:
Grey
(The colour of the material may have variation in shading).
Property Test Conditions Standard Unit Typical value
GENERAL
Specific Gravity 21°C ASTM D792 g/cm3 2.26 0.04 Shore D Hardness 21°C ASTM D2240 Shore D 56-61 MECHANICAL
Tensile stress @ break 21°C ASTM D4894 MPa 18 min ASTM D4894 psi 2600 Tensile elongation @ break 21°C ASTM D4894 % 250 min
Temperature Range: -100°C to +260°C
Note: Physical properties obtained on dumb-bells cut from turned, thin-wall cylinder.
The reported values are given as the first results obtained from this material; this means that the present data are not meant to be typical nor specification values
® Registered trademark of Trelleborg Sealing Solutions Bridgwater
® The turquoise colour is a Registered trademark for products of Busak + Shamban © Copyright 2006, Trelleborg Sealing Solutions Bridgwater
This is an uncontrolled copy of the Trelleborg Sealing Solutions Bridgwater material data sheet.
Trelleborg Sealing Solutions Bridgwater assumes no responsibility for performance, expressed or implied, and warranty is limited to replacement of product for defects in material and workmanship.
Based upon our ongoing seals and material development programme, Trelleborg Sealing Solutions Bridgwater reserve the right to change properties contained within this Material data sheet, in light of experience, without further notice.
