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AC 161 SPBK custom elastomer compound

Sparkplug boots – heat stable

AC161 SPBK is an addition curing HCR black silicone rubber compound. It has good mechanical properties, low compression set and high heat resistance on top of excellent electrical properties. This compound is suitable for injection molding with short cycle time and was especially developed for technical parts e.g. sparkplug boots and protective hoses in the automotive area.

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More About AC 161 SPBK custom elastomer compound

Increased engine efficiency triggers the need of new ignition systems with higher voltage exceeding even 40 kV. Higher expectations to vehicle reliability and service life lead to more higher levels in specifications, especially for long-term sealing force and temperature stability. This can cause problems with many conventional rubber compounds developed for this application from Silicone or EPDM, while AC 161 SPBK is working successfully in many of these high-performance systems currently.

AC 161 SPBK is supplied as ready-to use material or as a 2-component material with much longer shelf-life. It can be processed on conventional HCR injection molding equipment and achieves its physical properties without post-curing. The material follows one global standard and is globally available in the local markets from the Momentive custom elastomer sites in Europe, US, China and Brazil.

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