What is Kärcher RM 838 used for?

You use this alkaline foam cleaner for contactless washing of cars, trucks, and commercial vehicles.

What types of dirt does this foam cleaner remove?

It removes stubborn oil and grease stains, insect residues, soot, tree resin, and road dirt while protecting vehicle paintwork.

What does the ASF property mean for RM 838?

ASF indicates that the formula rapidly separates oil and water inside oil separators for effective wastewater management.

How do you apply this cleaning agent?

You apply the foam using a suitable foam lance, spraying evenly in strips from bottom to top.

What safety precautions are required during use?

The product is corrosive (GHS05). Always wear protective gloves, protective clothing, eye protection, and face protection.

KARCHER PROFESSIONAL RM 838 foam cleaning agent ASF 20 L - 62958380

Name: KARCHER PROFESSIONAL RM 838 foam cleaning agent ASF 20 L - 62958380
Brand: KARCHER PROFESSIONAL
SKU: 02893099
Price: 162.8 EUR
Availability: InStock

Supplier number: KARCHER PROFESSIONAL 62958380 | EAN 4039784997059

Recommended Retail Price €218.26

162.80 tax incl.

€134.55 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered tomorrow 06/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Powerful contactless vehicle cleaning with dense foam

Practical benefits

KARCHER RM 838 foam: You remove stubborn grease, heavy oils, and road grime effortlessly with a high-adhesion alkaline foam.
Gentle on vehicle paintwork: You wash vehicles contact-free without mechanical scrubbing, preventing unsightly micro-scratches on polished finishes.
Generous 20 L container: You get a high-capacity supply of concentrated liquid detergent designed for rigorous commercial fleet washing.

In a nutshell

The right choise for

With the Kärcher rm 838 foam cleaner, you wash cars, trucks, and commercial vehicles thoroughly and contact-free. The high-clinging alkaline foam clings to vertical surfaces to dissolve stubborn grease, oil, soot, and insect residues without mechanical scrubbing. By washing touchless without brushes, you reliably protect paintwork and rims against micro-scratches. Thanks to the asf formula, oil and water separate rapidly inside oil separators for smooth wastewater management. Supplied in a generous 20 L jerrycan, this concentrated liquid cleaner provides the high-capacity power you need for intensive fleet maintenance and professional wash bays.

Product information FAQ

€162.80

In stock - tax incl.

Key features according to our expert

Net volume: 20 l
Principal hazard property: GHS05 Corrosive
Relative density: 1,076
Packaging: Jerrycan
ADR class: 8
UN number: UN1760
ADR packing group: III
P-statements: P280; P303 + P361 + P353; P305 + P351 + P338; P310; P405; P501
H-statements: H290; H314; H412
Hazard class: GHS05 Corrosive
Physical state: Liquid

Product description:

The alkaline Foam Cleaner RM 838 for contactless vehicle washing effortlessly removes heavy oil and grease stains, insect residues and road dirt and is gentle on paintwork.

Characteristics:

Powerful foam cleaner for contactless vehicle washing
Removes stubborn oil and grease stains, as well as soot, resin, insect residue and road dirt
Enhanced cleaning performance thanks to microcrystals
Highly effective thanks to fine-pore, voluminous and adherent foam
Perfect for use with the MultiApp lance
Brushless cleaning prevents the formation of micro-scratches
Extremely gentle on paintwork, trims and aluminium wheel rims
Highly efficient
Very short reaction time
Pleasant, fresh fragrance
VDA-compliant

Precautionary statements

P280: Wear protective gloves/protective clothing/eye protection/face protection.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water (or shower).
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310: Immediately call a POISON CENTER/doctor/…
P405: Store locked up.
P501: Dispose of contents/container to ... (see safety data sheet).

Hazard statements

H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
H412: Harmful to aquatic life with long lasting effects.

All Features

Net volume: 20 l
Principal hazard property: GHS05 Corrosive
Relative density: 1,076
Packaging: Jerrycan
Adr class: 8
Un number: UN1760
Adr packing group: III
P-statements: P280; P303 + P361 + P353; P305 + P351 + P338; P310; P405; P501
H-statements: H290; H314; H412
Hazard class: GHS05 Corrosive
Physical state: Liquid
Packing unit(piece(s)): 1
Ph: 13
Packaging content(l): 20
Weight (incl. box)(kg): 22,8

Brand KARCHER PROFESSIONAL
02893099
EAN 4039784997059
Supplier number KARCHER PROFESSIONAL 62958380

Frequently asked questions about this product

Answered by specialists

What is Kärcher RM 838 used for?: You use this alkaline foam cleaner for contactless washing of cars, trucks, and commercial vehicles.
What types of dirt does this foam cleaner remove?: It removes stubborn oil and grease stains, insect residues, soot, tree resin, and road dirt while protecting vehicle paintwork.
What does the ASF property mean for RM 838?: ASF indicates that the formula rapidly separates oil and water inside oil separators for effective wastewater management.
How do you apply this cleaning agent?: You apply the foam using a suitable foam lance, spraying evenly in strips from bottom to top.
What safety precautions are required during use?: The product is corrosive (GHS05). Always wear protective gloves, protective clothing, eye protection, and face protection.