|
Properties :: Dimensional Stability
| Material |
Dimensional Staility Rating |
Comments |
| High
Perform. Mats |
Various
|
Some
HPM's have exceptional dimensional stability. See HPM
data page
|
| PETP |
Excellent
|
|
| Acetal |
Excellent
|
|
| Bakelite |
Good
|
|
| PTFE
(Virgin) |
Moderate
|
25%
glass filled PTFE has a much lower expansion rate and is one of the most
dimensionally stable materials
|
| UHMWPE |
Moderate
|
|
| HMWPE |
Moderate
|
|
| HDPE |
Moderate
|
|
| Polyurethane |
Moderate
|
|
| Polypropylene |
Moderate
|
|
| PVC |
Moderate
|
Fairly
high thermal expansion rate
|
| Nylon
66SA |
Moderate
|
High
thermal expansion rate
|
| Polycarbonate |
Moderate
|
High
thermal expansion rate. An expansion clearance should be taken into consideration
|
| Acrylic |
Moderate
|
High
thermal expansion rate. An expansion clearance should be taken into consideration
|
Materials have
been colour-coded based on their maximum continuous operation temperature in
°C in air.
Coding is as follows:
|
260
250
130
121
110
110
95
90
90
85 80
80
60
50
|
For more details
see Min/Max Operating Temperature. For a detailed specification sheets on plastic materials, or more specific information on materials and their properties please contact us
.
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