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How to choose auto parts rubber

返回列表 Source: Cixi Haisheng Rubber Products Co., Ltd. Date2018-11-05 07:58 Browse: -

We know that there are many types of rubber compounds, such as silicone rubber, nitrile rubber, fluorine rubber, etc., but like rubber compounds used in automobiles, which rubber compound should we choose?

 


The choice of material type mainly considers the working temperature and the compatibility of the rubber and the sealed fluid.

 

: ①丁腈橡胶 (NBR) ,主要特点是耐温一 40~120C ,耐油,工艺简单,价格低廉;②氢化丁腈橡胶 (HNBR) , 主要特点是耐高低温一 40~150C ,强度高、耐磨、耐老化;③羧基丁腈橡胶 (XNBR) ,主要特点是耐磨,高强度;④丙烯酸酯橡胶 (ACM) , 主要特点是耐油,耐高温性能好;⑤硅橡胶 (MVQ) ,主要特点是耐高低温, - 70~250C ;⑥氟橡胶 (FKM) , 主要特点是耐油、耐高温 (250C) ; ⑦氯醚橡胶 (EO/ECO) ,主要特点是耐油、耐温 - 40~+130C ;⑧乙烯醋酸乙烯酯橡胶,主要特点是耐高温,可达 175C Materials commonly used in automotive oil seals include : ① Nitrile rubber (NBR) , the main feature is temperature resistance of 40 ~ 120C , oil resistance, simple technology, low price; ② hydrogenated nitrile rubber (HNBR) , the main feature is high and low temperature resistance 40 ~ 150C , high strength, abrasion resistance and aging resistance; ③ Carboxynitrile butadiene rubber (XNBR) , which is mainly characterized by wear resistance and high strength; ④ Acrylic rubber (ACM) , which is mainly characterized by oil resistance and good high temperature resistance; ⑤ Silicone rubber (MVQ) , the main feature is high and low temperature resistance, -70 ~ 250C ; ⑥ Fluoro rubber (FKM) , the main feature is oil and high temperature (250C) ; ⑦ Chloroether rubber (EO / ECO) , the main feature is oil resistance 、 Temperature resistance -40 ~ + 130C ; ⑧ ethylene vinyl acetate rubber, the main feature is high temperature resistance, up to 175C .

 

Therefore, according to the performance of different materials, we can choose different materials to use in automotive seals to see if the sealing environment needs high temperature resistance or wear resistance. It is also very important to choose the right compound and use it.


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