Potting Compounds for Automotive Applications

Henkel has introduced three new potting compounds to protect automotive components from moisture and fluid ingress.

Loctite SI 5035 is a one-part silicone potting compound that provides corrosion-free protection to sensitive components, such as control unit connectors. This flowable sealant has two curing mechanisms. It cures quickly when exposed to visible or ultraviolet light. A secondary, moisture-curing mechanism ensures curing of the adhesive in shadowed areas. SI 5035 forms a medium strength, flexible rubber sealant that can withstand high pressure testing immediately after UV curing.

Loctite AA 5832 is a dual-cure polyacrylate potting compound for sealing against automatic transmission fluids and oil. This one-component, low-viscosity material is used for potting and sealing various automotive and electronic components, such as control unit connectors, mechatronics and ADAS components. It cures when exposed to UV light and moisture.

Loctite PE 8086 AB is a thermally conductive potting material for encapsulating electrical components, such as motor stators, actuators, transformer coils and transmission actuators from thermal shock. This two-component epoxy offers high thermal conductivity, low mixed viscosity, excellent electrical insulation at high and room temperatures, and resistance to automatic transmission fluid. PE 8086 AB maintains optimal operating temperatures to ensure peak performance and mitigates long-term performance degradation due to high temperatures and environmental factors. It is a solvent-free product that produces no VOCs during the curing process.

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Henkel Adhesives
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