ow should high quality membrane switch be judged

- Jul 31, 2017 -

The appearance is better, the appearance should be flat, shiny common, there is no mechanical operation, scratches, inclusions and stains and other appearance defects. Second, weatherability should be better, in the inevitable natural environment conditions, no deformation, cracking, aging and discoloration and so on. There is a good chemical resistance, the panel layer will have access to different chemicals, but for most of the common chemicals, such as alcohols, ethers, mineral oil should be a certain tolerance.

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