Rubber sheet in the production and use of the process is prone to spray the phenomenon of frost, then how to prevent it? First, improve the rubber varieties with the same agent in different raw rubber has different solubility, different raw rubber its solubility parameters are different. For this reason, under the condition that the rubber performance meets the use requirements, the raw rubber with large solubility can be selected or used. Generally, the solubility of compounding agent in SR is greater than NR, and SR can be used together. Select raw rubber with solubility parameter similar to that of compounding agent; Select or use raw rubber with better required performance; Measures such as reducing the dosage of compounding agent to avoid blooming of compounding agent one. Second, adjust and cooperate

Real rubber products are just opposite to fake silicone rubber. Its toughness and elasticity are very good. It is not easy to deform due to external force. There will be a layer of grease-like substance on its surface layer, so it will feel very smooth to touch. It is non-toxic and tasteless. It is not harmful to human body. The surface of silicone rubber is easy to stick dust, hair and other relatively light impurities. In terms of characteristic feel, the toughness and elasticity of silica gel products are very good, and they are not easy to be permanently deformed by external forces, and the feel will feel relatively smooth, while fake silica gel products are easy to deform, and they feel relatively rough, because there is no layer of grease on the surface of fake silica gel. 1

All walks of life have their own industry standards, rubber sheet reference standards are as follows: GB/T528 vulcanized rubber sheet and thermoplastic rubber sheet tensile properties determination. GB/T531 rubber sheet Sauer type A hardness test method. GB/T1682 Vulcanized rubber sheet brittleness temperature test method. GB/T1690 Test method for liquid resistance of vulcanized rubber sheet. GB/T3512 Rubber sheet hot air aging test method. GB/T5575 No pear flower rubber sheet for lining of chemical equipment. GB/T6031 Vulcanized Rubber Sheet-Determination of International Hardness (30 -- 85IR

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