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How much do you know about the whitening of rubber products

  • Categories:Industry News
  • Author:
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  • Time of issue:2021-12-30
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(Summary description)When it comes to rubber products, I believe everyone is familiar with them. They have been widely used in all aspects of our lives such as automobiles and aerospace. I don’t know if you have noticed a

How much do you know about the whitening of rubber products

(Summary description)When it comes to rubber products, I believe everyone is familiar with them. They have been widely used in all aspects of our lives such as automobiles and aerospace. I don’t know if you have noticed a

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-12-30 21:19
  • Views:
Information
When it comes to rubber products, I believe everyone is familiar with them. They have been widely used in all aspects of our lives such as automobiles and aerospace. I don’t know if you have noticed a phenomenon. Basically, most rubber products have more or less surface after being used for a period of time. Whitening will appear. In fact, this is not because the product has a quality problem.
 
   The so-called whitening of rubber products refers to the phenomenon of "powder spraying" or "wax spraying" that appears on the surface of the product for a period of time after the rubber product is produced. We must first find out what is the reason for the whitening of the product. Our rubber raw materials are made of raw rubber and a variety of fillers including softeners, tackifiers, vulcanizing agents, etc., after being mixed, vulcanized and molded. Bloom is a phenomenon in which the liquid or solid compounding agent in the rubber material migrates from the inside of the rubber to the surface of the rubber after the rubber product is left for a period of time. Waxes such as wax precipitate on the surface of the rubber to form a wax film. It is mainly related to the rubber material formula. The current direct solution will be to put the rubber product through the oven again and secondarily vulcanize it. However, the problem of whitening of rubber products cannot be fundamentally solved. In the end, it must be solved in the material formula.
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