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non-stick pan has a history of several decades since it was first used. China lags behind some developed countries in terms of introduction and development. In terms of technology development and testing, they can give us some reference. In terms of the use standards of non-stick pan, many countries have their own standards. In the next few articles, we will talk about the testing standards of non-stick pan in some countries, including France, Britain, the United States, China.

  1. French standard code isNF, which is determined by the Industry Standardization Bureau orAFNORestablished by the Technical Committee. French standards and EU standardsCEcompatible, French standards exceed EU standards in many respects, so whereNFlabels can be obtained directlyCElabel.

    with EU food grade regulationsEC 1935/2004, EU member states pay close attention to the safe use and safety performance of products that come into contact with food. EU Member States monitor the quality of products and materials that come into contact with food on the market in accordance with their own national food-grade regulations. For products exported to the EU, the customs of the EU member states will conduct random inspections on the goods in accordance with relevant regulations, and those who fail will be returned. Therefore, such products sold to France, in addition to meeting the requirements of EU regulations, must also meet the requirements of local French regulations.

    For the test of non-stick coating, France has specially formulated the test method for non-coating of metal cooking utensils, No.NFD 21-511. The standard measures metal cooking utensil materials including aluminum, iron and stainless steel and other materials.

    The purpose of this standard is to test the functional properties of non-stick coatings on metal cooking utensils. The scope of application includes metal cooking utensils such as frying pans, double saucepans, cooking pots, casseroles, and pressure cookers.

    to this standard includes the appearance inspection of the non-stick coating, the thickness of the non-stick coating, the adhesion resistance of the coating, the adhesion of the coating, the corrosion resistance of the coating, the hardness of the coating and the abrasion resistance test.

    below we briefly describe the main tests.

    1.non-stick coating: with non-destructive equipment, for shallow metal cooking utensils on the bottom surface10times, for deep metal cooking utensils, measure the bottom surface and the inner wall surface respectively.10times.

    2.appearance inspection: non-stick coating appearance with amplification25times microscope observation, no cracks and cracks, no surface potholes, and check the thickness of the coating.

    3.coating non-stick test: it is carried out anti-burnt milk and cooking egg adhesion test. The results of the adhesion test against burnt milk were divided4, the adhesion test results of anti-cooking eggs are divided3.

    4.Coating Adhesion Test: Perform a penetration coating test with a new cooking appliance, and record the number of untorn and torn areas under normal conditions, after water testing, and after oil testing.

    5.Salt Water Corrosion Test: Apply oil and clean new cooking utensils according to the procedure and reuse10%brine was tested, and the results were visually inspected and recorded for the absence of any traces of corrosion on the surface of the metal cooking utensil and for the presence of traces of corrosion on the surface of the utensil.

    6.coating hardness test: with a diameter1mmtungsten carbide balls come to operate. The coating surface is moved under increasing pressure until the coating is penetrated. Requirements at room temperature,100℃ ±5°C15mmdeep boiling water, in180℃ ±5°C3mmcontinuous operation coating hardness testing in deep peanut oil and recorded in100gWeight Penetrates the coating under the action of gravity. Results: Penetrations are obtained at room temperature under certain gravity, and at room temperature under certain gravity.150℃ water to obtain penetration, under a certain gravity in.180°C.

    7.Abrasion Resistance Test: New metal cooking utensils were tested by cooking tomatoes, firing and abrasion machine equipment wear. Complete1000grinding wheel friction movement, another cooking operation and one firing operation are performed. So repeated, the number of these cycles (cooking, firing, abrasion) will show the quality of the coating.

    these tests are partly different from those in our country, if we need to export some manufacturers in France, we should have a detailed understanding of the French test standards and add the French test standards to our test standards, whichever is higher, so as to avoid losses caused by unqualified goods.

countries: French

Created on：2022-08-18
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