New salt bath technology is glowing in its acceptance as a cost-effective, environmen-tally acceptable process for treating a variety of products from austempered ductile iron (ADI) to high-speed tool steels and non-metals such as glass, rubber, plastic, etc. Characteristics such as controllability, versatility, minimal floor space, heat transfer efficiency and economy are comparable to or exceed other processes. The new age of salt bath technology features modernized equipment, automated parts, handling lines and safe chemicals. With the proper salt bath system design - carefully matching the chemicals, equipnent and application - capital investment costs can be lower than alternative methods. Energy and labor costs are also reduced and post-treatment operations are minimized.
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