1. Dyeing and blackening formulas designed for various metal substrates and metal coatings;
2. Environmentally friendly, energy-saving, and cost-effective formula design;
3. Customers with strong film layers can choose the FGA series, while those with antique needs can choose the FGB series (mostly used for antique processes such as wire drawing, vibration grinding, etc.).

Prepare a working solution by mixing this product with water in a ratio of 1:5-10. Soak the workpiece (which needs to be degreased, degreased, and acid washed for activation treatment) in the prepared working solution for 5-10 minutes. After visually observing that the dye film has formed uniformly, rinse with flowing pure water for 2-3 minutes, and then dry or air dry.

1. 25Kg/drum, packaged in plastic drums.
2. Store in a cool and dry place, avoiding contact with acidic substances, strong oxidants, and strong reducing agents.
3. Shelf life: 24 months.