Why do vacuum coating products lose film?-Ningbo Danko Vacuum Technology Co., Ltd.

Why do vacuum coating products lose film?

The purpose of coating products is to make the products better used. For example, we coating cars to make them anti-oxidation and anti-aging; The purpose of coating the lens is to make the lens more wear-resistant, anti oil, anti radiation, anti blue light and other functions

When engaging in vacuum coating, if the film falls off, is it caused by improper operation or other reasons? We sorted out several factors that affect the coating quality and shared them with you.

Undercured primer

------The curing time of primer shall be extended

Incomplete degreasing and degreasing of plated parts

------Pre plating treatment shall be strengthened

The vacuum chamber is not clean

------The vacuum chamber shall be cleaned. It is worth noting that it is strictly prohibited to contact the magnetic control source with hands or unclean objects during the process of installing and removing the target, so as to ensure that the magnetic control source has a high cleanliness.

Fixture is not clean

------The fixture should be cleaned

Improper selection of primer

------Paint shall be replaced

Improper control of process conditions

------Technological conditions should be improved

In addition, the membrane material is too thick and easy to fall off. If it is a metal substrate, heating the substrate can improve the shedding.

At the same time, it is important to select the target quality.

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