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Application of magnesium oxide in fluorine rubber

Nowadays, magnesium oxide has been widely used in the rubber industry, but not all rubbers use magnesium oxide. Magnesium oxide is mainly used in nitrile rubber, fluororubber, neoprene, brominated (halogenated) butyl rubber And other rubber use. In different rubbers, magnesium oxide plays different roles.

For example, light magnesium oxide in fluororubber plays an important role as an acid acceptor. During the processing of fluororubber, both amine vulcanization and polyol vulcanization systems will generate hydrogen fluoride gas, which will cause corrosion and pollution to metals. Therefore It needs to be used in conjunction with an appropriate acid absorber.

Effect of the amount of magnesium oxide added on the performance of fluororubber

However, special attention should be paid to the dosage of magnesium oxide. It is not that the larger the dosage, the better, and various factors need to be considered comprehensively. Messi Biology conducted an experimental study on its addition amount and found that with light magnesium oxide as a variable, as the amount of light magnesium oxide increases, the tensile strength and elongation at break first increase and then decrease, and in the The peak value is reached when the dosage is 5 parts, and the comprehensive performance of fluororubber is better. Light magnesia not only has a good acid absorption effect, but also can improve the high temperature resistance of fluorine rubber, and under a certain amount of addition, the rubber processing fluidity, physical and mechanical properties and scorch safety are all better.

Application of magnesium oxide in fluorine rubber

The tensile strength of the light magnesium oxide compound is 13.05 MPa, and it is still above 11 MPa after hot air aging. Therefore, choosing light magnesium oxide as the acid absorbing agent of fluororubber can optimize the formula of fluororubber.

Development prospects

Fluorine rubber has excellent heat resistance, oxidation resistance, oil resistance and chemical corrosion resistance. It is mainly used in aviation, chemical industry, rocket, petroleum and other industrial fields as fluorine rubber oil seal, fluorine rubber strip, fluorine rubber plate, fluorine rubber Sealing materials such as sealing rings, medium-resistant materials and insulating materials are high-quality rubber heat-resistant elastomers. With the continuous improvement of the automotive industry’s requirements for reliability and safety, the amount of fluororubber used in automobiles has also continued to grow. The special light magnesia product for fluororubber launched by Messi Biology has high purity and stable quality. It has provided services for many fluororubber product manufacturers and is deeply trusted by users. The Messi Biology team will continue to research and explore to provide more customers with better products and more reliable services.

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