ASK Chemicals Hi-Tech, the metal filtration arm of ASK Chemicals, developed fully sintered reticulated ceramic in the early 1980’s thereby opening the door for the filtration of high temperature alloys. This breakthrough has led to a higher level of quality, metal cleanliness, and yield improvements for both the foundry and investment casting industries worldwide. Our filters are globally recognized as the highest quality in the industry.
ASK Chemicals offers a full portfolio of metal filtration products for all metal types and applications, which includes UDICELL and EXACTFLO metal filtration products. We pride ourselves on being able to deliver quality products and solutions bundled with the highest level of experience and service to assist today’s metal casters in successful filter implementations.

ASK Chemicals offers three varieties of filters:

3. UDICELL Investment Casting Filters

ASK Chemicals offers all filters in a variety of pour sizes:

• 10 PPI
• 15 PPI
• 20 PPI
• 30 PPI
• 45 PPI

All our filters are measured with PPI except our Exactpor. They are measured in MMC.

You can find our standart filters in this table below. Furthermore, our filters can be individualized and customized to your casting processes. Contact us for any queries. 

Udo Skerdi (Dipl.Ing.)
Sales & Tech Service Risers & Filter Europe

Dave Heckmann
Technical Product Manager Feeding Systems

Ulrich Voigt (Dipl.Ing.)
Business Line Manager Filters Europe