Copper (phosphor bronze) for blackening agent

First, the product code: Q / YS.123 (Yi Shun brand)

Second, product performance:

This product can be quickly in the copper, phosphor bronze surface black, black time is only 8-10 seconds. After darkening black surface can be drawing antique.

Third, product index:

① product appearance: transparent brown liquid

② PH> 7

③ proportion ≈ 1.0

Fourth, the use of methods:

① stock solution, used at room temperature

② The oil-free, no scale, no rust on the copper surface for 8-10 seconds, remove the workpiece for washing.

③ drying the workpiece.

Our services

Order Guangzhou YiShun Chemical Company's products, you will have the following technical support: 1, selection of professional engineers. 2, phone detailed understanding.3, video demo. 4, live demonstrations. 5, site service.6, special technology R & D and preparation. 7, continue to follow the sale.