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What about the five process of pre-coating film contains:

by:Taian Lamination Film     2021-02-04

what about the five process of pre-coating film contains:

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pre-coating film process:

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(1) film appearance should level off, without uneven and wrinkles, no bubbles, shrinkage cavity and pitting defects.

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2 thin film on the surface of the corona treatment processing effect is uniform, the higher the transparency is better, to ensure that the print has covered zui better definition.

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(3) thin film should have good light resistance, not easy to change color under the light irradiation for a long time, geometry size stability.

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(4) film laminating machine will come into contact with chemicals such as solvents, adhesives, printing ink, thin film should have certain chemical stability.

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5] film thickness at 0. 01-0. 02 mm between, after dealing with the corona or other methods, surface tension, with up to 4. 0 x 10-2 n/m, in order to have good wetting and bonding performance.

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