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Karcher Canada

Specialty Detergents - pressure washer cleaners, degreasers & scale inhibitors

Kärcher offers six formulas of Specialty Detergents, all designed to be used with pressure washers, for meeting a variety of unique applications. These Specialty Detergents range from a citrus-based cleaner-degreaser and a super-powerful concrete cleaner to an aluminum brightener and an acid-based coil-cleaner. Also in the mix is Kärcher’s famed RM-110 Scale Inhibitor. The Specialty Detergents are:





Kärcher’s KD-400 Citrus-Based Cleaner-Degreaser is formulated with d-Limonene, a product that is derived from the peeling of citrus fruit producing an effective, all-natural degreaser. With d-Limonene as a natural solvent that quickly emulsifies oils and greases, KD-400 is very effective in removing grease, grime and oils from a variety of surfaces. Its deep, penetrating action can also remove baked-on smoke, hydrocarbon-based deposits and exhaust trails. It is biodegradable and safe to use on most surfaces.

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Kärcher’s KD-420 Acid-Based Coil Cleaner is a powerful, acid-based coil cleaner that effectively attacks rust and hard water deposits in pressure washer hot water coils. KD-420 does not contain mineral acids, such as hydrochloric (muriatic), sulfuric and hydrofluoric acids that are commonly used in other coil conditioners. Even though it is acid-based, KD-420 is formulated so it can safely pass through a pressure washer without damaging the high-pressure pump. Do NOT use on aluminum or tin.


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Kärcher’s KD-440 Concrete Cleaner is a non-caustic, butyl-based blend of ingredients formulated for cleaning of stone and concrete surfaces. This popular cleaner is effective in removing grime from concrete but safe enough not to damage painted surfaces. It is effective in removing oil, grease, baked-on carbon, tar and asphalt from floors, walls and stainless steel. As with other Kärcher detergents, KD-440 is engineered to pass through a pressure washer without damaging the high-pressure pump.

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Kärcher’s KD-460 Super-Strength Aluminum Brightener is an extra-strength, acid-based, aluminum brightener designed to tackle the toughest cleaning of truck trailers, aluminum wheels and for preparing aluminum for painting. Do NOT use on glass, polished aluminum or anodized aluminum. It uses ammonium bifluoride, not hydrofluoric acid, and is non-fuming, yet effective in removing grease, oils, baked-on carbon and diesel smoke.

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Kärcher’s KD-480 Polished Aluminum Cleaner is a concentrated, non-etching detergent formulated to quickly penetrate and remove grease, grime, dirt, road film and welding smut from polished aluminum and stainless steel surfaces. This ready-to-use, precise blend of acids, inhibitors and surfactants is biodegradable and is a medium-foaming product that should be applied without dilution.

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Kärcher’s RM-110 Scale Inhibitor (ready to use) is a multi-component product made from heat-resistant organic and inorganic salts. Its stabilizing action on the minerals, which cause hardness in water, is based on its capacity to impede the growth of mineral deposits thus extending both the life of a heating coil and the time between acid cleanings.