Cooling fluid of prevent frostbite of car of antifreeze full name, it has winter prevent frostbite, summer to prevent the function of boil, protect the cooling system of engine, improvement comes loose hot effect, improve engine efficiency. So when consumer is choosing to use antifreeze, what problem should note? Interviewed steam to repair the expert of the respect for this reporter.
Freezing point is lower better
The main index of antifreeze is freezing point and boiling point. In Qiu Dong season should choose to use the antifreeze of low freezing point, freezing point is lower, the frost resistance of antifreeze can be stronger. Normally the circumstance falls, the freezing point of chooses antifreeze is general should under local lowest air temperature 10 ℃ above, with equipment weather mutation. The much effect antifreeze that produces like Great Wall lube, limits of its freezing point is in - 25 ℃ arrive - between 50 ℃ , the demand of car prevent frostbite of area of northward great majority of OK and contented our country.
Should take anticorrosive function seriously
Sort of the antifreeze on market is at present numerous, good and evil people mixed up of quality hard to avoid, after the freezing point to antifreeze determines, general canzonet and the antifreeze that the factory produces put in the market namely only, these products that did not pass regular inspection often are had stronger caustic, cause to the cooling system of the car damage, engine is flowed into after some antifreeze still can corrode cistern perforation, cause big accident. Accordingly, proposal user chooses the antifreeze of regular brand.
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Antifreeze uses 4 attentions correctly
Besides choose good antifreeze, in the use process of antifreeze, broad car advocate still need to note the following respect:
Notice one: Use the antifreeze of same brand as far as possible. Its production recipe meets the antifreeze of different brand somewhat difference, if mix,use, probable meeting produces chemical reaction between a variety of additive, create additive be no longer in force;
Notice 2: The period of efficacy of antifreeze is two years more (individual product chairman a few) , when adding, should affirm this product is in period of efficacy;
Notice 3: Must change regularly, be two years commonly or every travel 40 thousand kilometer changes, the taxi should change a few more frequently. Clean old liquid should be put when changing, after will cooling system is cleaned clean, change new juice again;
Notice 4: Avoid add water to use. The inorganic of the tradition antifreeze cannot be used with add water, can generate precipitation in that way, affect the normal function of antifreeze badly. It is OK to have type antifreeze add water is used, but water cannot add is gotten too much.
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