IRON CASTING GROUP
- Resins, Alcohol and Water Based Coatings, Release Agents, Binders, Repair Materials, Additives and Special Sands – Furtenbach
- Foundry Refractory Materials And Lining Tools – Doerentrup
- Recarburizer – CS Additive
- Recarburizer – LuxCarbon
- Cored Wire – Wire d.o.o
- Insulation Bricks for Feeders Production – CFZierler
- Brass and Steel Air Vents – Ilha Engineering
- Ceramic Foam Filters – Lanik
- Ceramic Press Filters – Hofmann
- Stopper and Nozzles – Krause
Ceramic Pressed Filters
Hofmann CERAMIC
Although we’re a global enterprise today, we started out in the beginning of the 19th century as a family company from Breitscheid in Hesse. We have been producing and distributing filters, feeder heads, cooling elements, and fireproof components for over 70 years.
We dimension and design casting systems for non-ferrous metals, iron, and steel casting. Our objective is to increase your productivity using our first-class filters, feeder heads, and DC casting solutions. By using our technology, our customers are able to achieve higher output with the same low error costs. In addition to offering these products, we support our customers with fast, professional service for their casting technology needs.r.
The combination of our products and the our engineering skill makes us an expert partner for providing custom-tailored solutions for our customers’ specific requirements.
HIPERCAST® product description
With the development of a new high performance mullite-based ceramic with the type designation HIPERCAST®, hofmann CERAMiC has created an extraordinary dry-pressed filter. HIPERCAST® allows us to achieve performance values previously considered unattainable for individual filters.
- This opens up whole new possibilities in the area of foundry manufacturing technology.
- Pressed thicknesses up to 40 mm
- Thermo-mechanical qualities offer great capacity reserves with regard to fracture resistance.
- High savings potential for return materials and sand
- Casting temperatures up to 1750°C can be handled with no issues
- Flow quantities up to 15 t gray cast iron and up to 9 t spheroidal graphite iron per filter
→ actual stress limit unknown, since our tests have never been able to destroy a filter!
Our pressed ceramic round hole filters are produced in our proprietary dry press process, the only one of its kind in the world, and stand out by offering the following properties:
- hydraulic properties can be calculated more precisely thanks to the exact geometry
→ reproducible mold filling with consistent cross-sections of flow
→ precise filter fit with exact installation dimensions - we can manufacture a suitable filter geometry for any application
- well-calibrated casting systems help us achieve the best possible filtration results
