Plastic plating-coarsening process of non-metallic plating

Plastic plating-coarsening process of non-metallic plating.
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The coarsening process has a great influence on the adhesion of non-metallic electroplating. How to choose the coarsening process is related to whether the metal coating with practical value can be obtained. At the same time, many factors such as cost and environmental protection should be considered.
In terms of obtaining good adhesion, chemical coarsening should be the preferred process. However, chemical coarsening has serious environmental pollution, so from the point of view of environmental protection, physical methods should be used as far as possible, such as wet sandblasting or grinding. When the coating has a certain thickness and there is no high requirement for surface glossiness, it is better to use physical method.
There is also a class of plastic or non-metallic materials that cannot be chemically coarsened and can only be coarsened by physical methods. Mechanical coarsening requires special equipment, at the same time, if dry sandblasting is used, there is also the problem of dust pollution in the operating environment. Corresponding protective measures are needed, so wet sandblasting is usually used.
Of course, for some enterprises that produce in large quantities, have strict requirements for surface roughness and coating adhesion, and have environmental protection measures, chemical methods are still needed. In fact, most plastic plating plants use chemical methods for coarsening. At the same time, the environmental pollution problem of chemical method has long attracted the attention of all parties, and the coarsening process with low pollution or less pollution and no pollution is also under development.
For some non-metals whose surface coarsening is difficult, the combined coarsening method of physical and chemical methods should be used to strengthen the effect of surface coarsening. This method is often used in the development of new non-metallic electroplating products. Its purpose is to obtain useful coatings for further research by new product developers, and then to determine the coarsening process for mass production or the production process for formal production in the future.