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About the chemical resistance of CHEMOTHERM SPE
Chemical resistance of Chemotherm SPE as a survey list
Important notes about using this list
Only the chemical resistance of CHEMOTHERM is described. Questions concerning sealability or Codes of Practice are not discussed, as these depend on the relevant operating conditions.
 
 
Source of the data
The data are based on experience and laboratory tests, as well as literary research, particularly where the resistance of the metals used for eyelets and cores is involved. Partially, the data are analogous conclusions. Therefore, no warranty can be accepted for individual applications, as chemical resistance also depends on the installation conditions. Tongue-and-groove flanges and/or high surface pressures increase operational safety. Conversely, lower surface pressures reduce the operational safety and sometimes the max. permissible temperature.
 
Temperature limits

If no temperatures are specified, the melting or boiling point of the media is assumed as a reference for the max. operating temperature. These limits ensure a high safety margin, also with sub-optimal installation conditions.

In individual cases, the operating temperatures can be considerably higher, and can even reach the maximum limit of 450 °C for graphite in air.
 
For products not mentioned in the list, we recommend a comparison with media of the same homologous range, i.e. compounds with one or more CH2 groups higher or lower. In case of doubt, please contact us.
 

Warranty claims
The specified data have been compiled to the best of our knowledge. They are valid for the material "as delivered", without any additional treatment. In view of the many possible installation and operating conditions, definitive conclusions cannot be drawn regarding the behaviour of a sealed joint in every application. The data cannot be used as a basis for any warranty claims.
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