Koch Chemie PreWash B (Pb) - Premium Alkaline Prewash 11kg

Name: Koch Chemie PreWash B (Pb) - Premium Alkaline Prewash 11kg
Brand: Koch Chemie
Price: 64.95 EUR
Availability: InStock

€64,95

Promotional price valid from 11/12/2025 to 15/02/2026, or while supplies last

Delivery between 16 February and 18 February

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Koch Chemie PreWash B (Pb) - Premium Alkaline Prewash 11kg

€64,95

The First Step to a Good Wash

Loosens stubborn dirt before contact.

It helps dissolve insects, bird droppings, and environmental dirt right before washing, to reduce friction and wash more safely.

Fast in High-Pressure Washing

It was designed for short reaction times, with thorough rinsing afterwards. Max. 1 minute, ideal for shower stalls and quick routines.

Economical and Versatile Dilution

You adjust the strength according to the dirt level: pre-wash, wheels, and even shower stall cleaning, to make the concentrate last longer without waste.

Koch-Chemie PreWash B – concentrated alkaline pre-cleaner

Highly alkaline, phosphate-free pre-cleaner with complexing agents and surfactants for pre-washing cars and trucks, suitable for steel wheels and alkali-resistant painted aluminum wheels, with a pH of 13.9. and short operating time

How to Use

Step 1

Dilute according to the level of dirt: pre-wash 1:30 to 1:100 or wheels 1:4 to 1:20

Step 2

Apply evenly to the cool surface and allow to act without drying.

Step 3

Rinse thoroughly with high pressure after 1 minute.

Step 4

Enjoy the result.

FAQs

Yes, for alkali-resistant painted aluminum rims and steel rims, avoid non-resistant materials and test before use.

It starts at 1:50 to 1:100 and increases power only if the dirt is heavy, giving you more control and fuel efficiency.

It is a very alkaline product (high pH), so use gloves/goggles and avoid contact with skin and eyes.

Yes, all orders include a tracking number which will be emailed to you after the order has been shipped.

You can return it up to 14 days after receiving it at home. The product must be returned in its original condition, unused, and in its original packaging.