Degrease and decontaminate the copper workpiece.
Use tap water to rinse the residual potion of cleaning copper workpiece oil and dirt.
According to the A agent: B agent: water to 4: 0.3: 3 blended into a polishing agent water, mixing well, while the blended water in the temperature of 30 ℃ in a cold water bath for cooling and heat preservation.
The copper workpiece will be loaded into the plastic basket after degreasing and descaling, the copper workpiece should be placed vertically when loading the basket, and do not put too many workpieces into the basket at one time in order to avoid rapid heating.
Immerse the copper workpiece in the basket into the copper polish solution, and turn the workpiece to make the workpiece polish evenly. After about 1-3 minutes, the copper workpiece is uniformly bright black.
Take out the copper workpiece, in a timely manner in the water quickly wash again, and then immediately into the film remover to remove the film. Remove the film time for 8-18 seconds or so. In the process of removing the film, shake the plastic basket to make it remove the film thoroughly. Especially for copper workpieces in the form of pipes, the inner part of the pipe must be thoroughly removed. After removing the film, the workpiece will show a very bright mirror effect.
Timely rinsing with tap water.
Through the above methods, you can brighten the surface of the copper parts to achieve a beautiful effect.