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About Premetz

The Prefil™ test has been in use for many years, and provides a rapid means to assess molten metal cleanliness:

  • the test determines the rate of flow of liquid metal through a filter
  • dirtier metal, containing more inclusions, should begin to block the filter and flow more slowly.

However in many cases, the filter permeability itself dominates the flow characteristics:

  • apparent changes in metal cleanliness may be due to variability in filter properties.

Premetz™ allows you to analyse your Prefil™ curves, and extract meaningful information about inclusion content.

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