What is the shelf life of ordinary freight cars?
Through scientific experiments, that no matter what brand of new tires placed three years later, by oxidation and other factors, physical properties will change, wear resistance, strength and other indicators will be significantly decreased. International tire companies are aging tires for three years, three years have not yet sold tires will be degraded or scrapped treatment. So the owners in a car or in replacement tires, but also must pay attention to the tire production date, so as not to buy inventory tire for a long time, profiteers Kengpian kept for a long time, because it will affect the performance, and even lead to serious accidents such as tire.
Storage time is generally 3 years, depending on the storage conditions.If you use it, usually 5 to 80 thousand kilometers, specifically to see whether the tread pattern polished.
In order to avoid being cheated by the merchants, we have to look at the anti-counterfeit signs in addition to the date of production. Genuine new tires will have anti fake signs, usually affixed to the tire logo. There are many kinds of anti-counterfeiting methods, in addition to scraping the coating figures, as well as trademarks, watermarks, barcodes and so on, can be used to identify the authenticity of the method. It is suggested that you should be good at anti fake marks when choosing tires, so as to avoid buying fake tires. Fake tires don't have anti fake signs, or the security code in the logo can't be found in text messages or on the Internet, so it's easy to identify.
On one side of the tire, the DOT logo is typically stamped with information about the date of production from the last four digits of the logo. It has a total of four digits, "AABB". The first two "AA" represent the first few weeks of the year, and the latter two "BB" represent the year. The 1606 in the figure represents the tire production in the sixteenth week of 2006, that is to say, produced in 2006 April.