本文对用石蜡取代丁钠橡胶作硬质合金生产成形剂的优点及其不足进行了论述。
In this paper, the benefits and deficiencies of substituting paraffin for butadiene sodium rubber as the lubricants used in the production of cemented carbides are studied.
工艺试验表明，该成形剂的应用工艺与丁钠橡胶工艺基本相同，因此便于推广应用。
Technological experiments have shown that the binder is basically of the same application technology as that of butyl sodium rubber. Therefore, it is easy to be spread to practical use.
标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。
Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'n' seals, stainless steel springs and pressure plates are standard.
标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。
Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'n' seals, stainless steel springs and pressure plates are standard.
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