source:silicone plate manufacturers release time:2022-06-21
According to the editor of the silicone products factory, recently, a batch of domestic silicone products (exports not subject to statutory inspection) were found by the US Customs to have excessive radiation of the radioactive element Th-232 and were returned. The batch of goods weighed 4,723.85 kg and was valued at US$51,307. This batch of silicone products included gaskets, steering wheel covers, eye masks, bracelets, insoles, etc.
After investigation by Xiamen Tong'an Inspection and Quarantine Bureau and laboratory nuclide analysis, it was determined that the radioactive substance was Th-232, and the radiation dose exceeded the national exemption level by 40.5 times. During the investigation, it was found that the radioactivity exceeded the standard because the company purchased negative ion powder in the market and added it to the product in order to meet the requirements of foreign customers for the negative ion value of the product. Enterprises do not know the composition of negative ion powder, and they produce it without testing. After further comprehensive analysis, the bureau ruled out the suspicion of terrorism.
About silicone products
The production of silicone products is a complex process, and the quality is not only good or bad except for machine and human factors. Intermediate inspections are the key to finding and resolving major product quality issues. Therefore, maintaining the normal operation of the machine, the good working condition of the mold, and strengthening the operation skills and quality awareness training of operators and quality control personnel are the key to reducing production defects and the benefit of the enterprise.
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