Ceramic foam filters
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.
- Type
- AS Al2O3 SIC ZrO2
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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.
Standardized
Available in various standard sizes and thicknesses.
CHARACTERISTICS
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:
- Gasser ceramic foam filter AS (up to 820°C) for many aluminium casting alloys
- Gasser ceramic foam filter Al2O3 (up to 1000°C) for common aluminium castings and wrought alloys as well as pure aluminium
- Gasser ceramic foam filter SIC (up to 1450°C) for cast iron alloys, copper, bronze and brass alloys as well as aluminium alloys
- Gasser ceramic foam filter ZrO2 (up to 1700°C) for common steel alloys, cobalt and nickel-based alloys as well as iron and magnesium castings
Benefits
- 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
TECHNICAL DETAILS
AS Al2O3 SIC ZrO2 material Al2O3 SIC, SiO2 bonded ZrO2, partially stabilized with MgO application Cast aluminium alloys Cast aluminium alloys Iron casting alloys Steel alloys Special alloys* Wrought alloys Copper alloys KObalt alloys Pure aluminium Bronze alloys Nickel-base alloys Special alloys* Brass alloys Ferrous alloys Aluminium alloys Cast magnesium Special alloys* 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 Porosity 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. -
Downloads
Data sheet Gasser Foam Ceramic Filter AS
Product properties, typical applications and availabilities.
Data sheet Gasser ceramic foam filter Al2O3
Product properties, typical applications and availabilities.
Data sheet Gasser foam ceramic filter SIC
Product properties, typical applications and availabilities.
Data sheet Gasser ceramic foam filter Zro2
Product properties, typical applications and availabilities.
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K. Hoffmann GmbH
For over 40 years, we have been manufacturing high-temperature-resistant boards, pressed, and milled molded parts from Vermiculite.
Due to its special properties, vermiculite is particularly suitable as a lightweight insulation material and is characterized by its temperature resistance up to 1100 °C.
If you are also looking for a sustainable insulation material without health concerns, then contact us.
