The brightness of the film on both sides after calendering is inconsistent

The pressure on both sides of the strip is not equal, and the wear on both sides of the strip is inconsistent. The pressure on both sides of the strip must be adjusted to make it equal. Adjust the parallelism between the hot roller and the transfer roller so that the two sides of the strip Uniform tension, uniform wear; uneven thickness on both sides of the varnish, which is necessary to adjust the glazing unit, check the parallelism and gap between the metering roller and the applicator roller, and make the coating thickness on both sides. Try to be consistent.

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