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Custom Conductive Gaskets, Electrical Grounding Pads

Stockwell Elastomerics manufactures custom conductive gaskets, electrical grounding pads, ESD gaskets, static discharge pads and other gaskets and pads with specific functions and properties to your specification.

Electrically Conductive Gasket, Custom Electrically Conductive Gasket

It is common for Stockwell Elastomerics to manufacture dual function gaskets such as electrically conductive gaskets. The conductivity of the gaskets is usually achieved by filling the polymer with conductive material, such as nickel graphite, silver plated aluminum, conductive carbon, or other materials. The level of electrical conductivity in the gasket depends on the type of filler used, with silver being the most conductive and carbon being the least. Gaskets made from these conductive filled polymers can be used for EMI and ESD management as well as environmental sealing, such as dust and moisture gaskets. Stockwell Elastomerics can provide electrically conductive gaskets die cut or waterjet cut from pre-formed sheets or roll goods, and can also compression mold custom conductive gaskets.

Electrically Conductive Pads

The most common application for electrically conductive pads is for ESD (ElectroStatic Discharge) protection and management. The polymers for these electrically conductive pads typically have a high carbon content that gives them their conductive characteristic. Stockwell Elastomerics also makes custom grounding pads using a proprietary coating process. The conductive-coated silicone sponge is soft and compressible, while the silicone allows for higher operating temperatures than other polymers.

ESD Gaskets

Stockwell offers a variety of materials that may be used to make custom ESD gaskets. Typically a carbon filler is used to create the conductive path. Materials such as SE65-CON conductive solid silicone, SCR7020-CON conductive solid neoprene, and R-4503 blended EPDM sponge are available to be cut into custom ESD gaskets.

The S470-62-CON, S480-62-CON and S418-62-CON are product codes for conductive coated silicone sponge materials in soft, medium and firm grades. Silicone sponge rubber can not be compounded and cured to be electrically conductive, so Stockwell Elastomerics developed a conductive silicone coating process that is applied to the exposed surfaces. Parts may be coated on just the faces or the entire part may be coated for ESD management.

Electrical Grounding Pads

Electrical grounding pads may be made from a variety of conductive materials such as carbon filled, silicone, neoprene, or blended EPDM. The cushioning of the polymers and the carbon fill, allow these static dissipative pads to perform the dual function of impact protection and static grounding. Electrical grounding pads may also be called static discharge pads, electrostatic discharge pads, or static dissipative pads.

Conpads™ are unique products developed by Stockwell Elastomerics. These conductive grounding pads are constructed from silicone sponge rubber and a thin layer of electrically conductive carbon filled silicone rubber. Conpads™ were originally designed for protecting solid fuel rocket motors. These specialized pads were designed to serve two functions. The first was to protect solid fuel rocket motors from static discharge and the second function was to cushion motor housings against impact and vibration. Conpads™ are known for their long term ESD protection in rugged environments.

Contact Stockwell Elastomerics

Contact Us for further assistance with your custom conductive gasket, electrical grounding pad, electrically conductive gasket, electrically conductive pad and ESD gasket needs.

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