1. Process InformationHEEF®25 - Solid is a fluoride free hard chromium process with a high current efficiency.HEEF®25 - Solid can be used, by adjusting the bath concentration and the deposition parameters, fordifferent applications such as normal hard chromium plating, duplex hard chromium plating and chromiumplating of rotogravure cylinders. Multilayer chromium plating can lead to increased corrosion resistance.HEEF®25 - Solid does not require special equipment and can therefore be used in all conventional plantsused for the hard chromium plating process.HEEF®25 - Solid process has the following significant advantages: Excellent deposition efficiency. Deposition times can be shortened by >40 % compared to aconventional sulfate bath. Reduced rectifier electricity costs by >40 % compared to conventional sulfate baths. An etch behavior on steel that is comparable to conventional sulfate baths. Easy conversion of conventional chrome electrolytes to HEEF®25 - Solid. More stable additives and bath performance than mixed catalyst electrolytes. Highly microcracked deposit that enhances corrosion resistance of the plated article. Bright, hard deposit, with hardness > 900 HV0.1 (typically 950 - 1050 HV0.1). Deposit highly resistant to abrasion. Good deposit metal distribution. Recycling and regeneration possible.
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