Jun 15 2009
Background
Goodfellow Ceramic & Glass Division are an award-winning company who supply specialist glass and ceramics for scientific and industrial use.
Goodfellow Ceramic & Glass Division aim is to understand your application and then supply the most appropriate materials or components to meet your needs.
Our technical staff are qualified in glass technology and materials science and can, therefore, provide impartial advice and full technical support for your projects.
DURATEC 750
DURATEC 750 is machinable insulating ceramic material with a calcium silicate composition. It is suited to electrical insulation applications requiring high temperatures
DURATEC materials are asbestos free.
Properties of DURATEC 750
DURATEC 750 is useful where a high temperature, thermally insulating component is required. It also has good electrical insulation and arc resistance.
Table 1. Typical properties of DURATEC 750.
| |
Property |
Units
|
Value
|
|
| General |
Chemical Formula |
n/a
|
based on calcium silicate
|
|
| Porosity |
|
slightly porous
|
|
| Density |
g/cm3
|
1.4
|
|
| Mechanical |
Compressive Strength |
MPa
|
55
|
10% compaction
|
| Flexural strength |
MPa
|
23
|
|
| Thermal |
Max. Use Temperature |
°C
|
1000
|
|
| Thermal Conductivity |
W/m.K
|
0.49
|
|
| Co-Efficient of Linear Expansion |
10-6/°C
|
6.6
|
|
| Electrical |
Volume Resistance |
ohm.cm
|
9.0x1010
|
|
| Dielectric Constant |
|
7.6
|
|
Properties of DURATEC 750 shown are typical values, they are not absolute material properties, and should be used for guidance only. It is recommended that materials and components are tested for their suitability for a specific application.
Source: Goodfellow Ceramic & Glass Division
For more information on this source, please visit Goodfellow Ceramic & Glass Division