pretreatment drum & Heating

  • pretreatment drum & Heating

    pretreatment drum & Heating

    Product Description Pretreatment is the key process of hot-dip galvanizing, which has a key impact on the quality of galvanized products. Pretreatment heating includes: degreasing, rust removal, water washing, plating aid, drying process, etc. At present, in the domestic hot-dip galvanizing industry, the concrete granite pickling tank is widely used. With the introduction of advanced hot-dip galvanizing technology in Europe and America, PP (polypropylene)/PE (polyethylene) pickling tank...