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1. It is related to the vulcanization temperature, the higher the temperature, the greater the shrinkage;
2. The smaller the filling amount of rubber products, the greater the shrinkage rate;
3. The greater the glue content of the vulcanized product, the greater the shrinkage rate;
4. It is worth mentioning that when the forming mold is a porous cavity, the shrinkage rate of the vulcanized O-ring in the middle cavity is larger than that of the vulcanized product in the edge cavity;
5. The shrinkage rate of the rubber material in the calendering direction and the flow direction in the mold is generally greater than the shrinkage rate in the vertical direction;
6. The shrinkage rate of the O-ring with a small wire diameter is larger than that of the large wire diameter o-ring;
7. The lower the hardness of the sealing ring, the worse the plasticity of the rubber compound and the greater the shrinkage rate.
Dongguan Guohao Sealing Ring Technology Co., Ltd. is a manufacturer specializing in the research, development and production of sealing rings. It has been working in the rubber seal industry for 21 years. The main products are: sealing ring, o-ring sealing ring, rubber sealing ring, high temperature sealing ring, Dust Ring and so on. Our product quality is guaranteed and the price is fair.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.