What is Kärcher RM 81 suitable for?

It is an alkaline high-pressure cleaner designed to remove heavy oil, grease, and mineral dirt from vehicles, tarpaulins, and engines.

Can RM 81 be used with hot-water pressure washers?

Yes, it is active at all temperature levels and can be used in the steam stage up to 150 °C.

Is this cleaner compatible with oil separators?

Yes, the ASF formulation quickly separates oil and water in the oil separator.

What does NTA-free mean?

The formula contains no nitrilotriacetic acid (NTA), making it safer for the user and the environment.

What is the volume of this container?

This container holds 2.5 l of concentrated liquid cleaning agent.

KARCHER PROFESSIONAL RM 81 NTA-free active cleaner alkaline (2.5 l) - 62955550

Name: KARCHER PROFESSIONAL RM 81 NTA-free active cleaner alkaline (2.5 l) - 62955550
Brand: KARCHER PROFESSIONAL
SKU: 02043818
Price: 25.6 EUR
Availability: PreOrder

Supplier number: KARCHER PROFESSIONAL 62955550 | EAN 4039784470101

Recommended Retail Price €35.77

25.60 tax incl.

€21.16 excl. VAT (incl. all environmental contributions)

On order: delivered from 21/10/2026

The minimum purchase order quantity for the product is 4.

Ordered before 20:00 - delivered as of 21/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Powerful alkaline active cleaner

Practical benefits

Effective on heavy grease: You effortlessly remove stubborn oils, grease, and mineral dirt from a wide range of surfaces.
High-pressure ready formula: You can use this concentrated solution with high-pressure cleaners and in steam stages up to 150°C.
NTA-free and gentle: Thanks to the NTA-free and phosphate-free composition, you achieve thorough cleanliness with a fresh scent.

In a nutshell

The right choise for

With Kärcher rm 81 active cleaner, you effortlessly remove stubborn grease, heavy oils, and mineral contamination. Whether you are cleaning workshop floors, degreasing machine components, or washing vehicles and tarpaulins, this liquid concentrate delivers powerful cleaning performance. The alkaline formula works seamlessly with high-pressure washers and remains fully effective in the steam stage up to 150 °C. Thanks to the NTA-free and phosphate-free composition, you achieve a thorough, material-friendly clean while leaving a pleasant, fresh scent. Its quick oil-water separation in oil separators ensures you work efficiently, reliably, and responsibly on every job.

Product information FAQ

€25.60

tax incl.

Key features according to our expert

Fragrance: Fresh
Relative density: 1,108
ADR packing group: III
Net volume: 2,5 l
UN number: UN3267
Principal hazard property: GHS05 Corrosive
ADR class: 8
P-statements: P234; P264; P280; P305 + P351 + P338; P337 + P313; P406
Hazard class: GHS05 Corrosive
Physical state: Liquid
Packaging: Jerrycan
H-statements: H290; H319

Product description:

Effective high-pressure cleaning agent
Dissolves heavy oil, grease and mineral stains
Cleaning active at all temperature ranges
Gentle cleaning action
Pleasant, fresh fragrance
Tensides biodegradable in accordance with EEC 648/2004
Rapidly separates oil/water in the oil separator (easy to separate=asf)
NTA-free
Free of phosphates
Silicone free

Precautionary statements

P234: Keep only in original packaging.
P264: Wash ... (see safety data sheet) thoroughly after handling.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P406: Store in a corrosion resistant/… (see safety data sheet) container with a resistant inner liner.

Hazard statements

H290: May be corrosive to metals.
H319: Causes serious eye irritation.

All Features

Fragrance: Fresh
Relative density: 1,108
Adr packing group: III
Net volume: 2,5 l
Un number: UN3267
Principal hazard property: GHS05 Corrosive
Adr class: 8
P-statements: P234; P264; P280; P305 + P351 + P338; P337 + P313; P406
Hazard class: GHS05 Corrosive
Physical state: Liquid
Packaging: Jerrycan
H-statements: H290; H319
Dimensions (l x w x h)(mm): 120 x 120 x 280
Packaging content(l): 2,5
Ph: 12,3
Packing unit(piece(s)): 4
Weight (incl. box)(kg): 3

Brand KARCHER PROFESSIONAL
02043818
EAN 4039784470101
Supplier number KARCHER PROFESSIONAL 62955550

Frequently asked questions about this product

Answered by specialists

What is Kärcher RM 81 suitable for?: It is an alkaline high-pressure cleaner designed to remove heavy oil, grease, and mineral dirt from vehicles, tarpaulins, and engines.
Can RM 81 be used with hot-water pressure washers?: Yes, it is active at all temperature levels and can be used in the steam stage up to 150 °C.
Is this cleaner compatible with oil separators?: Yes, the ASF formulation quickly separates oil and water in the oil separator.
What does NTA-free mean?: The formula contains no nitrilotriacetic acid (NTA), making it safer for the user and the environment.
What is the volume of this container?: This container holds 2.5 l of concentrated liquid cleaning agent.