At room temperature, rust, phosphate, passivation phosphating solution Chengdu Four

1. Features: The phosphate solution can be accomplished in the tank, rust, phosphate, passivation whole process has simple process, convenient operation, etc., can be used for large parts direct brushing. 2. Process: removal of heavily oiled and dried ↓ → → Four or washing → passivation → drying 3. Working fluid Specifications: Item Index Appearance colorless transparent liquid PH value <1.5 Density (g / cm3) 1.02 ~ 1.1 Processing time (min) 10 ~ 25 4. phosphide powder with grooves Methods: 1,000 l bath, for example, in the preparation of the first tank about 200kg of water was added, followed by the addition of the phosphate powder 50kg sufficiently stirred, and then 280kg phosphoric acid (85 %) was added until the mixture was stirred until completely dissolved to make up the water. 5. Bath maintenance: 5.1 on schedule salvage bottom sediment, surface oil or turned groove. 5.2 phosphate coating thoroughly before drying, prohibit hand touch or rain. 6. Storage: working solution: 25kg plastic drum; phosphate powder: 25kg woven bag lined with plastic. Store in a cool, well-ventilated place, shelf life of one year.