Starting from April 2013, the European Union began to implement the new version of the nickel release test standard. The new version of the releasable nickel test standard has been significantly revised. Compared with the old version, the product requirements are 10 times stricter. The EU pays more attention to the issue of nickel release in imported products, and exporting companies will face a huge risk of product recalls and returns.
The main technical differences between the new European version of the nickel release test standard and the old standard are: (1) The pH adjustment of the release solution is different and the calibration process of the test results is different. This includes: the scope is extended to all items that have long-term contact with the human body except the sunglasses and eyeglass frames; the test conditions are more conducive to the precipitation of nickel; the test result processing method has undergone a major change, and the concept of test uncertainty interval has been introduced, that is, within the uncertainty It is impossible to determine whether it is qualified or not.
An important difference between the old and new standards is that the calibration of the test results is different. The old standard multiplies the final test result by a calibration factor of 0.1, and the calibrated result is judged according to whether it exceeds 0.5μg / cm2 / week; the new standard does not require Multiplied by the calibration factor, it can be seen that the new standard is nearly 10 times stricter than the old standard.
After the implementation of the new standard, the EU has conducted a rigorous investigation of imported apparel products, which has a huge impact on China's apparel trade with Europe. During the textile and apparel production process, metal buttons, zippers, decorative parts and other accessories and auxiliary parts can release nickel ions. In this regard, the Nanjing Bureau specifically entered the company to promote new regulations, reminding foreign trade companies, manufacturers and related institutions: 1. It is to require enterprises to attach great importance to the changes of the new EU standards and strictly control the quality of their products; second, to test the samples produced before the introduction of the new regulations in accordance with the new standard EN1811: 2011, and to thoroughly determine the quality of the products; The process uses raw materials that do not contain nickel; the fourth is to conduct sample testing and quality supervision in accordance with the new standards, promptly warn when problems are found, do good quality control, and avoid the risk of returning claims.
Nickel is a common metal, often in the form of a coating or alloy in jewelry. During long-term contact with the skin, the nickel released by these products may cause skin irritation or even dermatitis. Chronic inhalation of nickel can cause heart, brain, liver, etc. Degenerate.
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