Improving the surface friction of silicone elastomer parts: the relatively high coefficient of friction of silicone elastomers can limit the range of applications of these materials. A liquid silicone rubber top coat can be used to improve surface friction of silicone elastomer parts. It can be applied using conventional coating methods. The performance benefits it offers and potential product applications are described.(materials)

From: Medical Device Technology | Date: January 1, 2007| Author: | Copyright information

The need for reduced surface friction One of the basic characteristics of silicone elastomers is relatively high coefficient of friction (COF). High friction is desired in applications where the silicone elastomer part needs to be well positioned, for example in closures or where excellent grip is required such as in dental tools. However, high friction can also be a limitation in applications where parts are sliding and soft touch is required or where dust collection, cleanability or stickiness are issues.

A number of techniques are available for reducing the surface ...

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