In this paper, the benefits and deficiencies of substituting paraffin for butadienesodiumrubber as the lubricants used in the production of cemented carbides are studied.
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。
2
The artifactitious process and mechanical properties of nature rubber (NR) and nitrile-butadienerubber (NBR) using the fly-ash modified with sodium silicate as strengthening agent were studied.