In recent days cold waves have arrived one after another, and many places in Northeast China, Inner Mongolia and elsewhere have already begun to see snow. The drop in temperature puts all kinds of automotive fluids to their greatest test, and among them windshield washer fluid is the most frequently used and the fastest-consumed "vehicle fluid". Once winter arrives, if you do not change to antifreeze washer fluid, or if its freezing point does not meet the requirements of the environment, the muddy water splashed up onto the glass freezes rapidly, seriously affecting the driver's line of sight. When you then pull the wiper stalk to spray water, do you find there is no water to spray? It may be because you are still using summer washer fluid and it has frozen! Doesn't that feel extremely awkward? It can be seen from this that the antifreeze performance of washer fluid is particularly important.
What is washer fluid?
Washer fluid is the common name for automotive windshield cleaning fluid, and it counts as a consumable item in vehicle use. Its main components are ethanol, ethylene glycol, methanol, a variety of surfactants and deionized water, as well as a small amount of fuel.
Uses of washer fluid
Automotive washer fluid is compounded from a variety of surfactants and additives and has wetting, penetrating and solubilizing functions, thereby cleaning and removing dirt; it can significantly lower the freezing point of the liquid, thereby providing antifreeze protection and quickly dissolving frost; it prevents the formation of fog droplets, keeping the windshield clear and transparent and the field of vision unobstructed; it can eliminate static charge on the glass surface and has antistatic properties; and it can provide lubrication, reducing friction between the wiper and the glass and preventing scratches. Apart from this, it can also remove dust and stains from smooth surfaces, shining with a single wipe, with no need to rinse with water, leaving no water marks, keeping surfaces clean for a long time and not damaging the surface of objects. With dust-proof, fog-proof and antifreeze functions, it does not readily attract dust, and for car owners it produces twice the result with half the effort.
New Kunlun Star washer fluid
Tips for choosing automotive washer fluid
1. Washer fluid is divided into antifreeze and non-antifreeze types, and even antifreeze washer fluid must be selected according to the temperature of the region where the vehicle is located. Compared with summer, the choice of washer fluid in winter requires even more care! For example: if the lowest winter temperature in your region is -10 °C, it is advisable to buy washer fluid with a lower freezing point, because if you happen to travel to a colder region you will not have to consider changing the fluid; also, when the outdoor temperature is -10 °C and the vehicle is traveling at high speed, the -10 °C washer fluid may freeze after being sprayed out because of the wind, so it is advisable to leave a margin when buying washer fluid and avoid unnecessary trouble. (Kunlun Star's two new washer fluids, at -10 °C and -40 °C, cover both cases!)
2. High-quality automotive washer fluid is made from deionized water plus various environmentally friendly additives, and offers decontamination, water repellency, antifreeze, antistatic and anticorrosion functions. It can effectively remove dust, lubricating oil, gasoline and diesel, residual polishing wax, tree sap, bird droppings, insect residue on highways and the like (a quality product you can trust – choosing Kunlun Star washer fluid is never a mistake!).
How do you top up washer fluid?
How to add automotive washer fluid is really not difficult; you simply need to pay more attention during selection and use. Generally speaking, the reservoir for washer fluid is located at the front windshield of the car, and washer fluid can quickly wipe dust off the glass without leaving streaks or freezing. Note, however, that in winter the automotive washer fluid should be changed frequently to prevent freezing. Let's look at the topping-up tips below!
1. The most trouble-free way to add washer fluid to your car is to ask a car wash or repair shop to do it for you (a worry-free, effort-saving choice for the "wealthy"; most car owners choose the second method below!).
2. The owner simply buys a bottle of automotive washer fluid on the market for 10 to 20 yuan and adds it as instructed; there is not much "technical content" involved (PS: Kunlun Star's new washer fluid is sold only at PetroChina service stations!).
Tip 1: The first step is dilution. Washer fluid bought off the shelf generally needs to be diluted before use; simply follow the instructions in the manual.
Tip 2: Note the washer fluid capacity. The washer fluid capacity of a car is about 1.5 L, so a container of 1.25 L to 1.5 L is suitable for mixing diluted washer fluid. A mineral water bottle can be used instead. (The 1.8 L design of Kunlun Star's new washer fluid is enough to meet your needs, and the remainder can be kept for emergencies!)
Tip 3: Do not overfill when adding washer fluid. When adding washer fluid yourself, be careful not to fill it too full; if there is some foam at the mouth of the reservoir, there is no need to worry, as it does not affect use.
Why choose Kunlun Star washer fluid?
Recently, an automotive media brand carried out low-temperature testing on best-selling low-temperature washer fluids. Come and join Kunbao to look at the test process and results for Kunlun Star washer fluid!
● Test environment
Because we were challenging the freezing point of washer fluid, we needed to find equipment capable of reaching that temperature. The outdoor temperature in Northeast China averages around -30 °C to -40 °C, and in the central part of North China the average winter temperature also reaches around -10 °C to -20 °C. Among these washer fluid products the lowest can withstand -40 °C, so we needed to find an environment capable of reaching that temperature; in the end they found a research institution able to carry out such low-temperature testing.
● Test vessels
The testers tested each product using a refrigerated constant-temperature chamber. Because ordinary glass test tubes cannot withstand such low temperatures in the test environment, plastic centrifuge tubes were chosen for the experiments; since this plastic centrifuge tube is fairly close to the washer fluid reservoir used in our vehicles, the centrifuge tube was finally selected as the container.
● Test process
First, samples of Kunlun Star washer fluid were taken. Testing began at -10 °C, because the highest rated temperature of the Kunlun Star high-efficiency washer fluid tested here is -10 °C, and the test was then carried out at the rated temperature, held for 30 minutes. Some friends may feel that freezing for only 30 minutes is too short a time; in fact, they had carried out the same experiment several years earlier, when each product was frozen for only 10 minutes, and non-conforming products froze within those 10 minutes. Moreover, according to the laboratory staff, a liquid of this volume can stabilize within 30 minutes, so 30 minutes is long enough.
When the test time was up, the centrifuge tubes were taken out to check the state of the samples: if freezing had occurred or was about to occur, the sample was regarded as non-conforming; otherwise it passed. Automotive washer fluid nozzles cannot spray a solid-liquid mixture or a solid, so washer fluid must remain liquid; the requirement for the test samples was therefore that they remain liquid at the rated temperature, and if a solid-liquid mixture or freezing appeared, they were regarded as non-conforming.
● Test results revealed
● Summary:
Here we especially need to remind everyone that in winter you must remember to change to antifreeze washer fluid, so that freezing does not affect normal use and you do not lose more than you gain! In addition, try to buy genuine washer fluid from reputable websites, supermarkets, service stations and similar outlets, where quality will be assured; Kunlun Star's new washer fluid is a PetroChina proprietary product offering exceptional value for money. A "frost-free" winter, letting you fully enjoy a clear and comfortable driving experience!
We are waiting for you at PetroChina service stations!











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