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Quality inspection of pc board processing products

by:UNQ     2021-04-02

Quality inspection of processing products There are many PC board products on the market, but there is no shortage of inferior PC boards. If customers buy such PC boards, they will definitely cause huge economic losses to themselves. So, let our editor introduce to you how to distinguish the pros and cons of PC boards.

For the quality inspection of the processed products of the , we can first look at the transmittance of the PC board. The transmittance of the PC board produced from imported brand-new materials is very good. There are no crystal points on the surface and the inside of the board No impurities and pitting. Another simple way is to put several PC board samples on a piece of white paper to see their light transmittance. PC boards produced from recycled materials will be significantly grayer and darker than those produced from imported materials. Also see obvious surface crystal spots and pitting. If we observe carefully, it should be easy to find the pros and cons of the PC sheets.

Secondly, we can use the burning method to ignite the PC board samples with a lighter for testing. PC boards made of imported brand new materials cannot be ignited because of the ignition point of the PC sheets. The temperature is 580℃, and it will not release toxic gas. If it is made from domestic recycled materials, it will be easy to ignite and has a great smell. Because the raw materials are mixed with impurities, the released gas contains harmful substances, which can cause harm to the human body. The above is what our editor introduces to you about identifying PC boards. I hope our introduction can be helpful to you. If you want to learn more about PC boards, you can browse our website and we will help You provide more professional information.


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