After a year of research and development, Enthone (West Haven, Conn.) has released Ankor Dyne 30 MS, a foamless, PFOS-free chrome mist suppressant said to virtually eliminate the generation of air borne emissions experienced with hexavalent chrome processes, all while negating some of the technical complications of similar products currently on the market.
"Ankor Dyne 30 MS is the industry's first PFOS-free mist suppressant that is non-foaming," says Barry Lee Cohen, Enthone's global director of marketing communications. "All existing PFOS-free mist suppressants have some degree of foaming."
The result of this non-foaming process, says Enthone, is reduced rejects and increased productivity.
Production proven to lower surface tension to 30 dyne/cm or below, Ankor Dyne 30 MS is the only foamless chrome mist suppressant suitable for hard chrome, decorative chrome and anodizing operations. With lower surface tension, the size of the uprising gas bubbles becomes smaller, and smaller gas bubbles don't bring enough kinetic energy to the colution surface to generate chrome-containing mist. Thus, the product is a chemical solution that cost effectively addresses air emission regulations and eliminates the risk of hydrogen explosionsis
Specially formulated to substantially reduce the surface tension of hexavalent chrome solutions by producing no foam between 30 and 70°C (85 and 160F), Ankor Dyne 30 MS is stable at elevated temperatures.
Helmut Horsthemke, global product manager - Enthone Wear Resistant Coatings, says, “In most world markets air borne emissions from chrome processes have become subject to regulations that are expected to become even stricter in the years ahead. Free of PFOS, PFOA and PFC, Ankor Dyne 30 MS enables compliance with regulations in an easy and cost-effective way.”
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