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Silopren* LSR 3696/25 Liquid Silicone Rubber

Low modulus – Self-lubrication

Silopren LSR 3696/25 is a two-component liquid silicone rubber for injection molding processes. Silopren LSR 3696/25 has a very low modulus paired with excellent low compression set and tear resistance. This material is an excellent candidate to consider for the manufacture of family seals or matseals in electrical connectors in the automotive industry, where cable and contact assembly is causing defect parts.

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More About Silopren* LSR 3696/25 Liquid Silicone Rubber

Demanding application in automotive electrical applications are exposed to higher heat over a longer time with advancements in engine technology and reduced packaging size. At the time higher expectations to vehicle reliability and service life lead to more higher levels in specifications, especially for long-term sealing force and temperature stability. Electrical connectors have to submit more and more signal cables at the same time while the overall space stays the same. Therefore single wire seals are often replaced through family- or matseals.

These parts yet required soft HCR compounds to pass the challenges of the contact assembly. Silopren LSR 3696/25 fulfils the typical industry specifications for this application but is a liquid silicone rubber by nature and allows to use the advantages of the LSR process.

Silopren LSR 3696/25 with a hardness of 25 Shore A can be processed on conventional LSR equipment and achieves its physical properties without post-curing and without additives. The material has a whitish appearance and can be easily pigmented with LSR color-pastes available from Momentive. Similar products are available in hardness of 30 and 35 Shore A.

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