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 KTP-type
The key-top type of keypads are based on molded silicone rubber. The symbols and graphics on the keypad are printed. The printing can be a positive (symbols printed) or negative printing (area around symbols is printed). The ink that is used is also based on silicone rubber and has a long-life due to the degree of cross-linking with the silicone key-top.

For special long life requirements Shin-Etsu can offer special protective layers/coatings:

  • over-coat: an additional printed translucent layer
  • soft-coat: a special translucent lacquer sprayed onto the keypad
  • FM-coat: a unique process in which a translucent layer is printed on the legend. This process gives a superior abrasion lifecycle and is flexible in choosing the matting level. The coating is flexible but gives the "feeling" of plastic.

Several colors (translucent and non-translucent) of silicone can be applied.
The KT- and KTP-types are widely used in telecommunication, car-audio, remote control units and instruments.

Usage Example of Mobile Phone Usage Example of VC-Film Shin-Etsu Polymer America, Inc. Company Information Shin-Etsu Polymer Green Activities
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