The selection and correct use of ceramic filters will improve the mechanical properties of the castings by excluding non metallic inclusions and preventing reoxidation of the metal.

Several products are available to suit the variety of metal types and casting sizes.

• Steel - STELEX ZR high temperature ceramic foam filter
  
• Iron - CELTEX - Cellular filters or SEDEX - Ceramic foam filters
  
• Aluminium - SIVEX FC - light weight foam filter