Commodities on the market (especially food) have their own shelf life, or the use of security period, beyond this period is "expired"; for the rubber products, the concept of shelf life is very vague, but it also has a useful life Reclaimed rubber is no exception. Today, Xiao Bian to the largest amount of tire reclaimed rubber, for example, and we talk about the shelf life of reclaimed rubber.
In the national standard, the tire reclaimed rubber is no shelf life, the general storage of one year to two years are no problem; but in a more rigorous sense, the tire reclaimed rubber also has shelf life, the "shelf life" and the shelf life of food is different, Usually refers to the aging time, there is no clear date, its life and tire reclaimed rubber storage conditions, if exposed to open air environment, the tire reclaimed rubber is easy to aging, so the shelf life of about six months; if the dry sealed The time will be much longer.
Therefore, tire reclaimed rubber "expired" is that it is aging, such as: half-cooked, outer aging, excessive evaporation of oil and so on. This is because reclaimed rubber storage time is too long or improper storage, resulting in a large loss of tire reclaimed rubber products, gum stiffen. "Outdated" tire reclaimed rubber is not good when it is kneaded, causing some difficulties in the production of rubber products.
So, your home tire reclaimed rubber "expired" yet?
Many rubber products companies will think that "expired" tire reclaimed rubber must be discarded, it is not: If the expired tire reclaimed rubber product quality problems, product manufacturers can find replacement rubber factory; If it is improper storage of tire reclaimed rubber Premature aging, then, these reclaimed rubber can also continue to use, pay attention to the phase in the production of rubber products in the refining more oil can be.
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