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What are the requirements for making a film panel?

From:admin Date: 2019-04-17
The film panel is widely used, and can be seen everywhere in life, such as refrigerator casing, microwave oven surface, washing machine button, rice cooker button, remote control casing and other daily necessities. The film panels are structurally divided into two types, a convex film panel and a flat film panel. As a membrane switch panel, the following conditions should be met:
1. Good dimensional stability: The film required to make the panel has no obvious change in the temperature range (generally -40 ° C ~ 55 ° C).
2. Good appearance: The surface of the film made of the panel is flat and has the same gloss, without damage, scratches, inclusions and the like.
3. Elasticity requirements: The thickness of the panel layer is required to have a certain weakening performance. It can be judged by the elongation of the material. Generally speaking, the elongation is large, and the amount of elastic deformation is also large, and vice versa.
4. Better weather resistance: The panel layer is the surface layer exposed by the membrane switch in the natural environment, and the panel material is not deformed, cracked, aged and discolored under certain natural environmental conditions.
5. Better chemical resistance: The film panel layer will likely touch different chemicals, but for most common chemicals, mineral oil should have certain tolerance.
The buttons on the surface of the former are slightly bulged in the design, and the portions of the buttons are slightly higher than the other panel portions, presenting a three-dimensional panel. This type of film panel has certain advantages, and the user can accurately find the position of the body.
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