High temperature stainless steel blackening agent hot alkaline black liquor HF-473

HF-473 high temperature stainless steel blackening agent I. Applications: HF-473 stainless steel high-temperature high-temperature black agents alkaline blackening agent, applicable to all types of stainless steel black do the old process, the film treated black, brightness, strong adhesion, corrosion resistance characteristics, this black agents granular solid powder compounds, widely applicable to all types of metal parts, sanitary ware products, gifts, machinery and other industries, it is the product of choice for black stainless steel parts. Second, the operation process: workpiece degreasing decontamination washed clean after → → activation → washed clean → HF-473 stainless steel high-temperature heating blackening agent soaked → → washed clean on the closure or rust oil or polish drawing three operating conditions : Process Name Process range Remarks HF-473 high temperature stainless steel blackening agent 1: 1 concentration ratio watered using different time black different operating temperature 110 ℃ operating time of the liquid to boil 2-8 minutes blackening time subject to the requirements of the container piece black steel, stainless steel tanks or glass beakers Description: black agents according to the ratio of water is added with stirring, and stir, and then heated to the desired temperature, control the temperature at about 100 ℃, soon boil until the liquid; Fourth, note: the high temperature working fluid blackening agent is a strong alkaline, high temperature operation, should wear labor protection products, to prevent burns, operating environment ventilation. V. Packaging and storage: 20 kg / barrel, valid for one year stored in a cool place.