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Auxiliaries have a wide range of applications. They are usually labelled as objects of action, such as polymer auxiliaries, water treatment agents, metal surface treatment agents, etc. There are some common considerations in the selection of additives, such as: 1. the requirements of additives for use. The appearance, odor, contamination, durability, electrical properties and weather resistance of additives directly affect the use of products. (2) The adaptability of additives to processing conditions. (3) Durability of additives. The loss of additives is mainly through volatilization, extraction and migration. It is necessary to select appropriate varieties according to the environment and processing conditions of products. (4) Compatibility between additives and polymers. Including their mixability and stability of the interaction and other issues. (5) Toxicity of additives. The hygienic properties of products made of high polymer materials such as food and drug packaging materials, drinking water pipes and medical devices mainly depend on the additives used. _Synergism and antagonism among additives. If properly selected, they can enhance each others efficiency and reduce the total dosage of additives.
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Henan Chi Ao Trade Co., Ltd.