Can DEF freeze?

Diesel Exhaust Fluid or DEF Fluid

Can you store DEF in the cold?

Made from a mixture of technically pure urea and purified water, DEF freezes at 11F and needs to be properly maintained and dispensed to preserve its quality. Like water, DEF will expand up to 7% when frozen and can damage storage tanks if they are full or nearly full when it freezes.

Can DEF be stored in outside in winter?

DEF packages and bulk storage should be kept indoors in temperature-controlled environments, or in heated sheds or tanks if required to be stored outside. Check the expiration. Urea is vulnerable to degradation from sunlight and extreme temperatures making DEF's storage life variable.

How do you winterize a DEF fluid?

Push the DEF pump switch to "Trailer Fill". Allow the pump to run while squeezing the nozzle handle for 30 seconds. Unhook the quick coupler from the nozzle WHILE THE PUMP IS RUNNING. This will evacuate the DEF fluid from the nozzle.

How do I keep my DEF tank from freezing?

Many want to know if anti-gelling or freeze-point-improver can be added to the DEF mixture to prevent freezing. DO NOT put additives into the urea solution because DEF must remain pure. The quality of DEF is extremely important for proper performance.

What temp will DEF freeze?

Diesel Exhaust Fluid or DEF Fluid

Whether in storage tanks or in equipment, DEF can freeze and possibly cause issues. As temperatures drop below 12°F, DEF will begin to solidify and not work as intended.

What temp does DEF freeze Celsius?

The typical DEF freezing point is 12 degrees Fahrenheit, or -11 degrees Celsius.

Can you store DEF fluid outside?

If DEF is stored outside it must be kept shaded from the sun. DEF will begin to lose its urea potency if kept in direct sunlight for too long. Store DEF below 86°F (30°C) or in the coolest part of the storage facility. If storing DEF below 86 °F (30°C) is not possible, manage the inventory accordingly.

What to Do When DEF is frozen?

If DEF freezes in the vehicle, do not put any additives in the tank to help it melt. The fluid needs to remain pure for it to work correctly. The engine will start without a problem, and the tank has a heating element that can quickly thaw the DEF.

How do you store DEF outside?

DEF INVENTORY STORAGE LEVELS

Store DEF out of direct sunlight. If DEF is stored outside it must be shaded from the sun. SHELF LIFE SHOWN IN THE BELOW CHART, IF AVERAGE DAILY TEMPERATURES WILL CONTINUALLY EXCEED THOSE SHOWN IN THE CHART BELOW. UNDER NO CIRCUMSTANCES SHOULD DEF BE KEPT FOR MORE THAN 3 YEARS.

Where can you store DEF?

DEF should be stored in a cool, dry, well-ventilated area, out of direct sunlight. While the optimum storage temperature is up to 77 deg F (25 deg C), temporary exposure to higher temperatures has little to no impact on the quality of DEF.

How do I stop DEF from crystallizing?

How do you prevent "DEF creep"? Make sure all fittings that come in contact with DEF are tight and proper seals are used. Try minimizing breaking connections and wipe down any urea crystallization as soon as it forms. Water can be used to easily wash off urea that has crept onto the truck, tank or dispensing equipment.

How long is DEF good for?

Storing DEF in a cool, dry, well-ventilated place is recommended to maximize shelf life. It will degrade over time, but if stored at temps between 10 degrees and 90 degrees, DEF has an expected shelf life of one year. You can extend the shelf life to two years by storing at a temperature that stays around 75 degrees.

How long can I store DEF fluid?

Because it doesn't include any preservatives, DEF does come with a shelf life. The good news is, it's a fairly long shelf life; DEF can usually be stored up to one year without any issues.

Can you store DEF fluid in a gas can?

DEF Storage Solutions

Never store DEF in a used chemical tank and never add any chemicals or water to the chemical solution. DEF should be stored at an optimal temperature to reduce the chance of separation and settling.

Can I pee in DEF tank?

Please do not urinate in your DEF tank, the SCR system will be damaged and it will cost thousands of dollars to repair. Here at Transliquid Technologies we specialize in providing the best quality of Diesel Exhaust Fluid.

Should you keep your DEF tank full?

If the DEF tank contains less than 5% of its capacity, the equipment engine power will de-rate. Enough power will be available, however, to travel a short distance, so that you can add more fluid to the tank. The DEF tank needs to be filled once for every 3 to 4 times that you refuel with diesel fuel.

How long does 5 gallons of DEF last?

CALCULATING DEF REQUIREMENTS

This means between 1.2 and 2.0 gallons of DEF will be required for a vehicle with a 65-gallon gas tank. If you have a five-gallon DEF tank, DEF should be replaced every third or fourth time you fill up.

What will dissolve DEF fluid?

Premium Member. The crystals dissolve almost instantly with water. You may want to use distilled water for cleaning that spill cup. Then if any leaks into the tank it won't be a big deal.

Does DEF crystalize in the tank?

Yes, DEF can crystallize in the tank if it is low and left sitting.

Can def fluid crystallized?

DEF crystallizes when stored for prolonged periods as the water evaporates. Do not use DEF that shows signs of crystallization and always completely use a container to avoid storing opened containers.

What is the best way to store DEF fluid?

According to ISO22241, Diesel Exhaust Fluid (DEF) needs to be stored in a cool, dry place. Ideally storage temperatures should be between 12°F (11°C) and 86°F (30°C). The reason of this recommendation is due to the fact that DEF can lose its potency if stored above 86°F for prolonged periods of time.

Can you store DEF in a steel tank?

Certain stainless steels and various plastic materials are suitable for storing DEF. Carbon steels, copper, copper-containing alloys, and zinc-coated steels should not be used. Bulk storage tanks should be dedicated to DEF.

How do you store bulk DEF fluid?

Since DEF is primarily de-ionized water, its shelf life is affected by fluctuating temperatures and exposure to direct sunlight and ambient air. Storage temperatures should not exceed 86°F (30°C) or go below 12°F (-11°C) and tank caps should be closed tightly to avoid evaporation, re-ionization and crystallization.

Can DEF be stored in a metal container?

Store DEF in dedicated containers, preferably stainless steel drums or HDEP plastic totes or gallon jugs. DEF is not toxic but is corrosive to metals such as carbon steel, aluminum, copper and zinc. Never uses containers that might have been used to store other fluids.