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Advantages of mirror rollers: high surface finish, high processing precision, good wear resistance and corrosion resistance, excellent heat conductivity, and a wide range of applications (such as plastic film, metal foil, paper, fabric, etc.). Disadvantages of mirror rollers: high manufacturing cost, easy damage, high maintenance requirements, and application limitations (not suitable for processes with high friction, high temperature, and high pressure).

Industries that need to use corona rollers: packaging industry, printing industry, electronics industry, automotive industry, medical industry, construction industry, etc.

The most significant difference between chrome plated rollers and hard chrome plated rollers is the thickness and hardness of the coating. The coating of chrome plated rollers is thin, generally between 5 and 30 microns, and the hardness is lower, usually in the range of 45 to 55 HRC.