PARKER CHOMERICS New Electrically Conductive Sealant CHO-BOND 1018 Offers Unique Combination: Galvanic Compatibility to Aluminium and Fluid/Fuel Resistance

PublishTime： 2023-04-28 Article Source：PARKER CHOMERICS News

Parker releases CHO-BOND® 1018 nickel-aluminum filled polythioether sealant

High Wycombe, Bucks, UK, 20th April 2023 – The Chomerics Division of Parker Hannifin Corporation, the global leader in motion and control technologies, has released CHO-BOND 1018, a two-component, electrically conductive polythioether that acts as a fillet, gap filler or seam sealant for high-level EMI/RFI shielding for today’s advanced electronic systems. The product’s nickel-aluminum filler provides excellent corrosion resistance against MIL-DTL-5541 Type I and Type II coated aluminum substrates, while its custom-formulated polymer provides outstanding resistance to aggressive chemicals (including de-icing solutions), jet fuels, hydraulic fuels, and other oil products. CHO-BOND 1018 is ideal for any applications exposed to harsh operating environments.

CHO-BOND 1018 provides a robust conductive and environmental seal over temperatures from -62℃ to +160℃. Offering 0.250 Ω-cm maximum DC volume resistivity, potential uses include ballistics and guided weaponry, ground/transport vehicles, military shelters, containers， airplanes, UAVs, drones, helicopters, defense radar systems, and any other applications where both corrosion resistance and resistance to fluids/fuels is essential.

“CHO-BOND 1018 was specifically designed with a nickel-aluminum electrically conductive filler because of its galvanic compatibility to aluminum,” explains Brian Flaherty, product manager for the specialty materials business unit, Chomerics Division. “When applied to aluminum enclosures or shelters, CHO-BOND 1018 provides superior galvanic compatibility, reducing corrosion and maintenance costs and extending the field life of the equipment.”

CHO-BOND 1018 is galvanically compatible with Parker’s CHO-SEAL 6502 nickel-aluminum-filled silicone and CHO-SEAL 6503 nickel-aluminum-filled fluorosilicone gaskets, providing customers a corrosion-resistant alternative to Parker’s silver-plated aluminum filled electrically conductive polythioether sealant, CHO-BOND 1018, in applications where these elastomers are used. Both of Parker’s electrically conductive polythioethers sealants are silicone-free and easily paintable, eliminating the time and cost of having to prime before painting.

CHO-BOND 1018 electrically Conductive Sealant comes fully packaged in a pre-measured kit. With no weighing required, users simply mix and dispense in the same package to minimize process waste. The consistency and viscosity of the medium paste ensure its suitability for overhead or vertical panel joints or seams and provide more coverage per gram of material to minimize the weight added to an assembly or vehicle. Ease of use in production comes courtesy of a 120-minute working life.

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