Guangzhou Preferred Battery Copper Foil Price
Speaking saliva splashes on the surface, and stains will appear when saliva is rolled up. A short time is a dark point, and a long time is a dark point. The size of the point is related to the saliva splashed on the copper foil.
Guangzhou Preferred Battery Copper Foil Price
If the surface stain is caused by environmental problems, the cleaning and improvement of the air conditioning filter system should be strengthened, or the wind speed should be reduced, and the small hairs on the air conditioning filter bag must be completely removed. And the fibers and powders on the polymer materials must be completely removed, which are very easy to cause stains. The air supply pipeline is easy to use plastic material, which does not produce fiber and is easy to clean with water, acid and alkali.
Guangzhou Preferred Battery Copper Foil Price
The surface of the copper foil shall be smooth and clean without obvious wrinkles, oxidation spots, scratches, pitting, pits and stains. The porosity of 305g/m2 and above is required to be 300ram × No more than 8 penetration points within 300mm area; The total area of pores on an area of 0.5m2 shall not exceed the circular area with a diameter of 0.125mm.
Guangzhou Preferred Battery Copper Foil Price
Copper foil can also be divided into: single-sided treatment (single-sided hair), double-sided treatment (double-sided thick), smooth treatment (double-sided hair), double-sided light copper foil (double-sided hair) and very low profile copper foil (VLP copper foil) according to the surface condition. Post copper foil can be divided into electrolytic copper foil and calendered copper foil according to different production methods.
Guangzhou Preferred Battery Copper Foil Price
During the production of copper foil, tiny foreign matters are adhered on the surface to form spots with different colors from the surface, which are called stains. Judgment method: use macroscopic inspection to judge whether it is a waste product, a secondary product or a finished product according to the number and area of stains and the impact on product quality.
