Reliable information.
The right product choice.

Check the product type first

How does adding water affect frost protection?

Frost protection cannot be calculated by dividing the temperature stated on the container by the proportion of water. Protection after dilution must come from the verified technical table for the same product. Check LİMAX summer, −20 °C and −30 °C washer fluids separately; use the label and current documents for the product you select.

What if summer washer fluid remains in the reservoir?

Newly added winter fluid mixes with the liquid already in the reservoir. The resulting mixture may therefore differ from the contents of the new bottle. If you do not know how much fluid remains, you cannot apply the new product’s labelled temperature to the entire reservoir.

When preparing for winter, account for the existing mixture and follow the vehicle handbook. Consult the supplier if the compatibility of the mixed products is uncertain. The aim is to have seasonally appropriate fluid in the spray lines as well as the reservoir.

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Distinguish the LİMAX product series first

Application sequence

1. Check the vehicle specification and how the selected product must be used.
2. Obtain the ratio and water-quality requirements from the same product’s TDS.
3. Follow the vehicle service procedure for draining, filling and bleeding.
4. Have the final mixture checked with a suitable measurement method. Do not open the cap of a hot or pressurised cooling system.

Which water should be used?

Follow the water quality specified by the manufacturer. Some manufacturers recommend distilled or deionised water, while others may also allow tap water within defined quality limits. Do not automatically treat bottled drinking water as demineralised water.

Is more concentrate better?

Do not increase the ratio arbitrarily. Going outside the manufacturer’s defined range is not correct use. Final checks require a method and instrument appropriate to the product chemistry; a single measurement must not be treated as proof of overall corrosion protection.

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Four checks before filling

1. The correct tank: Confirm the filler using the handbook and the markings on the vehicle.
2. The correct product: Check the label, container integrity, batch and date information.
3. Clean transfer: Use only clean filling equipment suitable for AdBlue. Avoid containers previously used for fuel or other chemicals.
4. The correct quantity: Follow the filling information on the vehicle display and in the handbook; do not apply one quantity to every vehicle.

Do not add water. Prevent foreign material from entering during filling and close the caps afterwards. Product cleanliness must be maintained throughout storage and transfer, not only during production.

Check the filling requirements together

Where should it be stored?

Keep the container closed, out of direct sunlight and within the manufacturer’s specified temperature conditions. Check shelf life on the container and product documentation. A single storage period cannot be applied to all brands, storage temperatures and opened containers.

For businesses using AdBlue regularly, choosing packaging suited to demand can simplify handling. At low consumption, choose a quantity suited to your usage rather than repeatedly opening a large container. For bulk use, verify that the tank, pump and hose are compatible with AdBlue.

Does freezing damage AdBlue?

AdBlue freezes at approximately −11 °C. If uncontaminated, it can be reused after appropriate thawing. Do not add water, alcohol or antifreeze to prevent freezing or speed up thawing; follow the product manufacturer’s thawing instructions.

What should you do after a spill?

For product spilled on a vehicle, follow the vehicle manufacturer’s cleaning instructions. Consult the vehicle handbook for surface cleaning and the product SDS for collection and disposal. For larger spills, follow the collection procedure in the product SDS.

Can an opened container be used?

Opening alone is not enough to decide. Consider the opening date, storage conditions and likelihood of contamination together. Do not accept a container with unknown contents or history simply because the liquid looks clear.

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AdBlue composition illustrated using 100 kilograms

This table is a mathematical illustration of nominal composition, not a production or quality-acceptance instruction. Also, 100 kg does not mean 100 litres. Mass and volume are different quantities. A calculation in litres requires the solution’s density at the relevant temperature.

Does the correct ratio guarantee suitability?

No. Achieving the urea ratio alone is insufficient. Raw-material purity, suitable production equipment and preventing contamination during filling must also be assessed. VDA’s approach to AdBlue quality includes these controls throughout production and distribution. Suitability is assessed against the relevant requirements of the ISO 22241 series.

Mixing agricultural urea and tap water at the same ratios therefore does not demonstrate that the mixture is AdBlue suitable for use in a vehicle. Raw materials sold under the same chemical name can have different purity levels and impurity profiles.

What information should you request when researching the formula?

For production work, do not rely on a percentage table alone. Request raw-material analysis documents, water-quality criteria, equipment suitability and the analyses required for the finished product together. When purchasing, focus on manufacturer information, batch traceability and the product’s declaration of conformity.

Can water be added to AdBlue?

No. AdBlue supplied for use must not be diluted. Adding water changes its defined composition. Likewise, do not add arbitrary additives to change its colour, smell or appearance.

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What do the main ingredients do?

Does antifreeze colour indicate quality?

Colour alone does not establish a product’s chemistry or vehicle compatibility. Do not assume that two products of the same colour use the same additive technology. Compare the technical specification in the vehicle handbook with the product documentation.

What matters when choosing G11, G12 or G13?

Do not treat these terms simply as colour names. Review the required vehicle specification, the product’s stated compatibility and any verifiable approval together. “Recommended”, “meets requirements” and “manufacturer approved” do not mean the same thing; ask the supplier for supporting documentation.

This is also the starting point for formulation development: define the intended use and required performance first, then select the base and inhibitor system. A low-cost percentage table alone does not define a product suitable for a cooling system.

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What might a washer-fluid formulation contain?

This list is not the composition of any single commercial product. Not every ingredient is required in every formulation. In particular, the type and quantity of cleaner must be assessed for streaking and foam behaviour.

How summer and winter products differ

Choose a summer product according to the cleaning need. For winter use, also consider the lowest expected temperature. Colour or fragrance does not indicate frost protection. Take account of the vehicle manufacturer’s product requirements for the washer system.

Why is a homemade mixture not equivalent to a finished product?

A clear-looking mixture is not a performance test. Product development must assess wiping streaks, foam, spraying, low-temperature behaviour and compatibility with materials it contacts. When researching a production formula, look for this control plan as well as the ingredient list.

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