Koch Chemie Vorreiniger B VB High-Performance Pre-Wash

Koch Chemie Vorreiniger B VB High-Performance Pre-Wash comes in a 1 L size and features a phosphorus-free, highly concentrated, alkaline, high-foaming formula for pre-washing cars and lorries. Its key purpose is to pre-treat stubborn dirt, making it suitable for car washes and touchless high-pressure cleaning processes.

Complexing agents and special surfactants help dissolve insect residues, bird droppings, environmental dirt and wheel dirt; the formula also contains corrosion inhibitors to support material compatibility with sensitive components such as aluminium oxide. The product information also lists suitability for biological wastewater treatment plants.

Specifications listed in the original information: the test concentration for the ÖNORM 5106 standard is 0.05%; for VDA Class A, the maximum contact time is 5 minutes and the maximum application concentration is 1:300; for Class B, the maximum contact time is 1 minute and the maximum application concentration is 1:30.

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Pre-cleaning:

Depending on the build-up of dirt, dilute at a ratio of 1:30 to 1:50.Spray the solution evenly over the entire surface, leave to act briefly, then rinse thoroughly with a pressure washer.

Wheel cleaning:

Use a dilution ratio of 1:3 to 1:10.

Copolymer wax removal:

Dilute at a ratio of 1:5 to 1:10.

Self-service high-pressure car washing:

Use a dilution ratio of 1:300.

• Passenger cars, commercial vehicles, construction machinery, steel wheels, and alkali-resistant stove-enamelled aluminium wheels.

Do not use on hot surfaces.Do not allow the product to dry.Check the product's suitability and compatibility before use.

Ingredients listed in Section 3 of the Safety Data Sheet (excerpt, not the complete formula):

• Sodium p-cumenesulphonate: 5-<10%

Delivery is available to a designated address, SF Locker or convenience store; free delivery on discounted merchandise totals of HK$200 or above. Below this amount, delivery charges are payable on receipt.