How to identify the quality of Membrane Switch

In general, the keys on the film switch use only color to express the orientation, shape, and thinness of the key body.

In this way, the accuracy of the operation can only be recognized by the operator's vision, because there is no proper reaction information indicating whether the finger is pressed on the useful scale of the switch to make the switch action, thus affecting the monitoring of the whole machine pride and the speed of operation.

1, The appearance is good, the appearance should be flat, gloss common, no mechanical operation, scratches, inclusions and color spots and other appearance shortcomings.

2, Weather resistance should be better, in the inevitable natural environment conditions, not deformation, cracking, aging and discoloration. With better chemical resistance, the panel layer will have access to different chemicals, but for most common chemicals, such as alcohols, ethers, mineral oils should have the inevitable tolerance ability.