Interpretation of the properties of food contact grade TPE raw materials
Source：德創(chuàng)化工Time：2019-11-12Hits：2628
TPE Not only has the double characteristics of plastic and rubber, but also has the advantages of environmental protection, non-toxicity and excellent comprehensive performance. In recent years in many industries and fields gradually replaced the plastic, rubber and other materials. But the food sector has strict standards and testing of materials, TPE can be competent First of all, let's say that TPE is an environmentally friendly material, which is no problem. But by green we mean Rohs, REACH, EN71 and other safety concerns such as Pash, Paes, NP, BPA , etc. . These environmental tests are often based on tactile tests such as skin tests, or on general environmental nontoxic tests such as smell. But for food contact packaging products, the material of environmental testing standards will be raised to the level of direct contact with food. This is obviously more stringent than normal skin or olfactory contact. WILL TPE be able to meet food-grade testing specifications This problem needs to be analyzed in detail. Because, on the one hand, different countries or regions for TPE Materials of food-grade testing standards slightly different, second, different products testing requirements are not the same. Different Food Grade test standards for TPE. EU1935 / 2004 standard is adopted in the European Union. The test method is to cook or dissolve TPE sample with distilled water, 50% alcohol and 3% acetic acid respectively. 2. Germany's test standard and the European Union slightly different, in addition to the above three solution test, but also requires the dissolution test of olive oil. This is actually a simulation to verify whether TPE materials in the face of oil-like substances will potentially harmful substances leaching out; 3. In the FDA , distilled water and N Hexane are tested using 21cfr177.2600; 4. Japan's test standards are similar to those of the FDA in the United States, except that the test solvent, N-hexane, was changed to N-heptane. The actual test requirements for different products, sometimes, the customer to TPE material food contact test requirements are not clear, for some products, only stay in the general food-grade such a mold and such a concept. If the customer does not provide specific test criteria, then the product needs to be analyzed according to its use and characteristics: NO FOOD-GRADE REQUIREMENTS: some TPE food contact products, such as double materials on the Material Cup, anti-knock baby bowl, such products in the TPE materials do not directly contact with food, vegetables, soup, etc. . Products with rigid requirements of food grade: Plastic gasket for bottle cap, inner stopper of wine bottle, baby pacifier, lunch box and other products in direct contact with soup and food, not only need to do distilled water testing, but also need professional testing from related organizations. The food-grade TPE developed and produced by Dechuang Chemical Company in Dongguan is heat-resistant, non-toxic and tasteless. No vulcanization is required in the production process. It is environmentally friendly. Products meet the requirements of food and drug packaging testing, pharmaceutical packaging products meet the requirements of biological testing, has passed ISO13485 quality system certification, through the Institute of Pharmaceutical packaging related biological testing, in line with the FDA, LFGB and other testing requirements, product safety, users can be assured to use.
