On April 21st, Li Keqiang, member of the Standing Committee of the Political Bureau of the CPC Central Committee, Vice Premier of the State Council and director of the State Council Food Safety Committee, emphasized at the video conference on cracking down on the special work of illegally adding and abusing food additives. It was necessary to protect the illegal addition and abuse of food additives. An important entry point for food safety, traceable sources, and strengthening the entire process management. On the same day, the General Office of the State Council issued a notice requiring the Ministry of Health to formulate and publish general safety standards for food additives and food additive labeling standards by the end of this year. The notice requires that it is strictly prohibited to use any chemical substances other than food additives and other substances that may harm human health in food production. Strengthen the supervision and inspection of illegal additions and eliminate the blind spot of supervision. Lawfully punish illegally adding behaviors by severe punishment, increasing the illegally added illegal costs, and at the same time strengthening the source of illegal addiction activities. For non-edible substances that may be illegally added in foods and substances prohibited from use in feed and drinking water, the production enterprises must Labels for warnings such as “Strictly prohibited for food and feed processing†are printed on product labels, and a real-name purchase and sales system is implemented. The notice also emphasizes that in production and sales, the quality inspection department must strictly implement the production licensing system for food additives, strengthen the daily supervision of key links such as raw material procurement and production ingredients, and strictly prohibit the use of non-edible substances for the production of compound food additives. In the use of links, the Ministry of Health and the Food and Drug Administration must formulate food additive use regulations as soon as possible, specify the types of food additives that are allowed to be used, and guide the food service providers to regulate the use of food additives. At the same time, the Ministry of Health shall strictly review and formulate national standards for new varieties of food additives. Before the end of this year, it is necessary to formulate and publish general safety standards for food additives and food additive labeling standards. In recent years, there have been frequent food safety incidents in China, and a considerable portion of them are related to the abuse or illegal use of additives in food production and operations. After the "poisoned milk powder" incident, the country soon introduced regulations and standards, and stipulated the melamine limit value in dairy products. The Ministry of Health and other five departments issued an announcement again recently that melamine is not a food additive and it is forbidden to add artificially to all foods. Relevant persons pointed out that this nation’s “Thunderbolt†action not only requires strict but also more specific measures, aiming at the complete elimination of hidden food safety risks caused by random illegal additions. Luo Jiyang, assistant researcher of the Institute of Food Risk Management and Application of the Chinese Academy of Inspection and Quarantine, said that at present, China's food additives have been using the GB2760 standard, and special safety standards for food additives have yet to be introduced. It is even more critical to strengthen enforcement and establish food safety. Long-term supervision mechanism. Plastic Profile Extrusion Line Plastic profile extrusion is a process of manufacturing plastic profiles of various shapes and sizes. The process involves melting plastic pellets and extruding them through a die to create a continuous profile. A plastic profile extrusion line is a set of machines and equipment used to carry out this process.
The plastic profile extrusion line can be used to produce a wide range of products, including window frames, door frames, decking, fencing, and pipes. The process is highly efficient and can produce large quantities of profiles in a short amount of time.
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The plastic profile extrusion line consists of several components, including a hopper, extruder, die, cooling system, and haul-off system. The hopper is where the plastic pellets are loaded into the machine. The pellets are then melted in the extruder, which is a long barrel with a screw inside. The screw rotates and pushes the plastic through the barrel, melting it as it goes.
Once the plastic is melted, it is forced through the die, which is a specially designed tool that shapes the plastic into the desired profile. The die can be customized to produce many different shapes and sizes of profiles. The plastic profile is then cooled using a cooling system, which can be air or water-based.
After the plastic profile is cooled, it is pulled through the haul-off system, which is a set of rollers that control the speed and tension of the profile. The haul-off system also ensures that the profile is straight and uniform in shape.
