Karcher RM 820 Hot Wax View larger

Karcher RM 820 Hot Wax

RM820: What it's used for:

This liquid thermal wax produces a weather-resistant preservative layer which offers vehicles protection against corrosion.

Contains natural carnauba wax. VDA-compliant.


Effective thermal wax intended for vehicle or self-service washing installations
Will provide effective protection for up to 1 month
Works with all water hardness levels
Produces a high-gloss mirror finish
Tensides biodegradable in accordance with EEC 648/2004
NTA free

Where to use it:

Automotive: Car washing
Logistic and Transport: Commercial vehicle washing
Self-service Wash Units: Cars and commercial vehicle washing

High-pressure cleaners

Vehicle Washes

Self-Service Washing Stations

More details

More info


High-pressure cleaners/ Self-service washing stations

Dilution Ratio 1:9

Dosage at Machine: 1-2%

Vehicle washing equipment

Dilution Ratio Neat

Dosage at Machine: 0.1-0.2%

Available in these sizes:

200 litres - 6.295-143.0

20 litres - 6.295-428.0

PH Value in concentrate: 6.3

One 20l container will make 200l of solution