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ASK Chemicals Develops New High-Performance “ISOSEAL™ 2011” Sand Additive
Efficient sand additive with dual effect
Developing efficient aids for use in core and mold manufacture – a challenge confronted by the research team at ASK Chemicals. The result is a new generation of sand additives with the name ISOSEAL™ 2011. With the development of the new LDASC (low-density alumina silicate ceramic)-based sand additive, the globally operational supplier of foundry chemicals has achieved another breakthrough.
To do so, the company’s specialists looked to a completely new system. ISOSEAL™ contains low-density alumina silicate ceramics. This means that the new additive offers very special thermal properties. The expansion of the silica is compensated for and, at the same time, forms a barrier against metal penetration. With higher proportions, feeding is improved and shrinkage suppressed, preventing the occurrence of veining and providing a good surface result.
In addition to the qualitative aspects, there are economic reasons for using the new additive because it works without additional coatings being required. These effects have been examined and proven at length in extensive studies and tests in the application and technology center of ASK Chemicals. “With efficient new developments such as these, we are helping our customers safeguard their production in the long term, both ecologically and economically,” commented Dr. Reinhard Stötzel, Global Product Manager Coatings & Additives, explaining this research success.
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