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Views: 1638 Author: Hardy Ho Publish Time: 2018-08-26 Origin: www.better-silicone.com
Rubber Buttons & Silicone Buttons, also called Silicone Keyboard or Rubber Keypad, as a elastomer switches components, which made from transparent & translucent silicone materials by compression molding & LSR injection moulding, is widely used in electronics, music & piano, remote controller, medical device and machines etc. As a reliable switches components, silicone rubber buttons have two different functions.
Rubber Buttons without conductive pills, which also called button cover or button cap, as a switches keyboard cover, also have dust proof and decorative effects.
Buttons with conductive pills and buttons webbing, which also called silicone buttons pads & silicone keypads, not only as button cover, but also as a switch & on-off.
Silicone Buttons Conductive Ways
As a push button, like conductive keyboard which mainly have five conductive ways
1. Black Carbon Pills & Graphite Pads
2. Electrically Conductive Ink Printing
3. Metal Domes
4. Golden Pill
5. Nickel Pills
Notes: Nickel Pills, is one kinds of conductive pills, more information, please surf: conductive keypads
| Life Time | Resistance | Diameter | Thickness | Advantage | Disavantage | |
| Carbon Pills | Above 10 Millions | 10-100 Ohms | 1.5-8 mm | 0.2-0.6 mm | Lower Resistance Stable Life Time | Shape Limited |
| Conductive Ink Printing | Above 10 Millions | 50-350 Ohms | Available | 10-20 Microns | Any Shape is Available | Resistance Limited |
| Metal Domes | Above 10 Millions | 0-10 Ohms | Available | 0.05-0.1mm | Lower Resistance | Bad Tactile Feel Without Dust Free Functions |
| Metal Pills | Above 10 Millions | 0-10 Ohms | Available | 0.05-2mm | Lower Resistance | Low Production Efficiency High Unit Price |
Silicone Buttons Characters & Text
Silicone Rubber Buttons Legends & Icons have two main types: Silkscreen Printed and Laser Etched & Engraved
Silicone Rubber Buttons Cover & Protective Coating
For more durable, after silkscreen printing or laser cutting, silicone rubber buttons also need protective coating manufacturing process, or need with plastic & metal buttons cover & caps
That have three kinds of protective coated ways for silicone ruber buttons
1. Silicone Oil Coating ( also called matte smooth coating)
2. PU Coating
Notes: silicone oil & matte smooth coating have good touch feel and dust proof, and more economical than PU coating.
PU coating is a little more durable than silicone matte smooth coating, and mainly used in outdoor electrical products, but expensive.
