How to adjust the actual performance of high tensile silicone products.children snack cup Manufacturing

　　A high-quality silicone product mainly depends on a high-quality silicone raw material. Silicone rubber products are mainly made of silicone raw materials and vulcanizing agents through high-temperature mold vulcanization. The silicone raw materials are made of raw rubber, reinforcing filler silica and oxides Therefore, the tensile strength of the product is mainly due to the reinforcing effect of the test material of the product, and the performance comparison of high tensile force is mainly due to its special compounding agent.

　　Although ordinary silicone products themselves must have certain tension conditions, there are still certain limits for products with special requirements, such as silicone rubber bands, silicone tube strips and other products, the performance is still due to whether its materials meet the characteristic requirements. , the test shows that the use of high dispersity fumed silica is beneficial to improve the strength and tear resistance of the vulcanizate, so the high tear material has become one of the commonly used materials for this kind of silicone rubber products.

　　Fumed silica belongs to high-strengthened silica, and its density reaches 1000 mesh or even higher, depending on its concentration and fineness, so its molecular chain can be more effectively combined to prevent structure when the silicone product is stretched. The chain is damaged to achieve the corresponding pulling effect. The higher density can naturally achieve the corresponding effect, and the production effect of the silicone rubber products manufacturer will also be better during the processing.

　　At present, there are several factors affecting the tensile properties of silicone products.

　　1. The effect of vinyl-containing organic compounds on tear resistance. In order to obtain high tear resistance, the appropriate amount of vinyl silicone oil is 3-5 parts. This rubber compound has excellent tear resistance after aging at 200 degrees * 72 hours; Nor is it reasonable.

　　2. The amount of silica has a significant effect on the tear resistance. Due to the change of the amount of silica, the amount of hydroxy silicone oil used as a structure control agent should also be changed; the vulcanization hardness and compression set increase with the increase of the amount of silica.

　　3. After the experiment of the type and dosage of peroxide, it can be considered that the commonly used peroxide can be used to obtain high tear-resistant silicone rubber, and the dosage range is suitable.

　　4. The influence of structure control agent. Using siloxane as a structural control agent, it has been experimentally verified that high tear resistance can be obtained no matter what kind of siloxane is used.

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