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Precured Gel - Pads and Parts


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What are Dow Corning ® Connector Sealant Pads

Dow Corning® connector seal materials are soft, compliant, pre-cured gels pads, specifically designed to provide sealing and corrosion protection for miniaturized sealed connectors requiring many pin variations.


Connector Image

The connector sealant pad consists of a three-layer laminate. The middle layer is a soft silicone gel impregnated into an open cell foam.  This combination of gel and foam provides excellent sealing capabilities under compression. The silicone gel provides critical sealing and protection properties.  The open cell foam is used mainly as a carrier for the gel and helps to add strength and dimensional stability. The thin top and bottom layers consist of a harder gel.  This harder outer surface allows easier handling of the pad during assembly.  The pad laminate is supplied on a Mylar ® release film to allow easy indexing in automated processes.  

Gel pad structure
Multilayer Structure shown

Connector sealant pads are used to seal around the pins, wires and contacts within connectors, replacing the need for individual wire seals, multiwire rubber blocks, or mold-in-place sealants.  Their self-healing characteristics allow for multiple insertions and extractions of the connector contact.  The pad maintains its seal when the contact has been removed and after reinsertion. Mechanical, electrical, chemical, and thermal testing, as well as use on production connectors, has shown that the connector sealant pads form a re-enterable, tight environmental seal.  They are ideal for automotive underhood electronics, commercial connectors, and electrical interface applications.  

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  1. Connector Sealant Pad Tutorial


  2. Equipment Alliance Capability


  3. What are Dow Corning ® Connector Sealant Pads


  4. Uses to Consider for Dow Corning® Connector Sealant Pads


  5. Creating an Effective Seal with Dow Corning® Connector Sealant Pads


  6. Features and Benefits


  7. Product Types


  8. Key Properties


  9. Competitive Advantages


  10. How Can Dow Corning Help You?


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