Ceramic foam filters


Up to 1700°C




Ceramic foam filters


Foundry  Foundry supplies
SKU: N/A Category:

Temperature resistant

High temperature resistance for casting temperatures up to 1700°C.


Various materials

Select the right type for the casting depending on the intended use.



Available in various standard sizes and thicknesses.


Foam ceramic filters for max. casting temperatures up to 1450°C in various sizes, thicknesses and materials. The application of ceramic foam filters can be divided into the aluminium foundry sector and the iron, steel and heavy metal foundry sector. In our assortment you will find:

  • KS ceramic foam filter AS (up to 820°C) for many aluminium casting alloys
  • KS ceramic foam filter Al2O3 (up to 1000°C) for common aluminium castings and wrought alloys as well as pure aluminium
  • KS ceramic foam filter SIC (up to 1450°C) for cast iron alloys, copper, bronze and brass alloys as well as aluminium alloys
  • KS ceramic foam filter ZrO2 (up to 1700°C) for common steel alloys, cobalt and nickel-based alloys as well as iron and magnesium castings



  • High temperature resistance
  • For casting temperatures up to 1700°C
  • Available in standard sizes and thicknesses
  • Special sizes and thicknesses on request
  • Application in aluminium foundries
  • Application in iron casting
  • Application in cast steel
  • Application in heavy metal casting






material Al2O3 SIC, SiO2 bonded ZrO2, partially stabilized with MgO

Cast aluminium alloys

Special alloys*

Cast aluminium alloys

Wrought alloys

Pure aluminium

Special alloys*

Iron casting alloys

Copper alloys

Bronze alloys

Brass alloys

Aluminium alloys

Special alloys*

Steel alloys

KObalt alloys

Nickel-base alloys

Ferrous alloys

Cast magnesium

Special alloys*

Max. Gauge temperature 820°C 1000°C 1450°C 1700°C
Temperature resistance        Good Good Good Good
Three-point bending strength Min. 0.3 mPa Min. 0.5 mPa Min. 0.5 mPa Min. 1.0 mPa
Material density 1.9 g/cm3 2.2 g/cm3 1.9 g/cm3 4.6 - 4.8 g/cm3
Coefficient of thermal expansion Approx. 7.6 * 106 K1 Approx. 8.5 * 106 K1

PPI 10
*Depending on filter dimensions, filters may also be available in PPI 20, 30, 40 and 50.


Standard sizes

Round: D40 | D50 | D60 | D70 | D75 | D90 | D100 | D125

Square: 40×40 | 50×50 | 55×55 | 75×50 | 75×75 | 100×50 | 100×75 | 100×100 | 125×125 | 150×150
*Other filter sizes, conical filters, special sizes etc. are available on request. All above dimensions are in millimeters.


Standard thicknesses 22 mm
*Special thicknesses are available upon request. Note: not every filter size is available in every thickness.

KS Kneissl & Senn Technologie

KS Kneissl & Senn Technologie GmbH has been producing insulation materials and seals for a wide variety of applications up to a temperature range of 1600 ° C since 2001. A diverse machine park (CNC 5-axis milling, plotting, punching, sewing, water jets, vacuum forming, etc.) enables us to do a variety of things Materials in shape for you bring to. The main materials include materials such as: glass fibers, Aramid fibers, mineral fibers, Biosoluble fibers, Ceramic fibers, silicate fibers, Vermiculite, Calcium silicate, Microporous materials, Rubber Material (Rubber, silicone, Silicone sponge, etc.), etc.

The company has been certified according to ISO9001 since 2009, currently according to the 2015 standard revision.

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Data sheet KS Foam Ceramic Filter AS

Product properties, typical applications and availabilities.


Data sheet KS ceramic foam filter Al2O3

Current product catalog from KS Kneissl & Senn Technologie GmbH.


Data sheet KS foam ceramic filter SIC

Product properties, typical applications and availabilities.


Data sheet KS ceramic foam filter Zro2

Current product catalog from KS Kneissl & Senn Technologie GmbH.


Catalog KS Kneissl & Senn Technologie GmbH

Current product catalog from KS Kneissl & Senn Technologie GmbH.

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