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News

Ashland's sand additive technology puts control into casting

Ashland Inc : 15 April, 2005  (Company News)
Adding control to the sand casting process is the idea behind EXACTHERM
Being able to control the cooling rate of the metal in critical areas of a casting can have numerous benefits. EXACTHERM sand additive contains unique characteristics that allow the foundry to custom tailor the thermal properties of a mold or core to meet critical casting sections needs. The result is better control of the casting process; elimination of misrun defects, blows and hot tears; and an overall improvement of the casting's surface finish.

Challenges in casting thin sections have existed for many years, but with EXACTHERM sand additive, casting thin-wall metal sections is achievable. The total amount of EXACTHERM additive that is in contact with a casting section determines how fast or slow the metal in that section will cool.

It is compatible with all traditional mold and core-making processes, including green sand, cold box, no-bake and others. Ashland Casting Solutions, a business group of Ashland Specialty Chemical, is a leader in supplying products, processes and technologies to the global metal casting marketplace. The group has operations (including licensees and joint ventures) in 21 countries.
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