金剛粉金剛砂 的英文怎麼說
中文拼音 [jīngāngfěnjīngāngshā]
金剛粉金剛砂
英文
egrisee-
Thermoplastic phenol - formaldehyde resin bond synthesized by solution po1ymeization is commonly used in making diamond grinding wheel, which has disadvantages such as : absorbing moisture, difficult mixing, can not being long term store, needing curing agent, and giving off dangerous gas
目前,金剛石樹脂砂輪普遍採用溶液聚合熱塑性酚醛樹脂作結合劑,此結合劑存在著易吸潮結團、混料困難、不易長期存放,需加固化劑才能固化,且固化過程中有大量的有害氣體溢出,使用時需要加工成粉末等缺點。
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