The visit in order to ask them to check the cleaning after work that was carried out at Aqua chemistry. Work of several of that had carburizing inhibitor residue, residue of the section boundaries and without quenching in particular was NG. Residue of the border and without quenching, the other party also it can not be removed and not rub with a brush even at present than the thread groove seemed to be the part that is concerned. ⇒ dirt not fall only brush we reported the effect that can not be removed by ultrasound. Because it is a work that has passed nearly a month from carburizing inhibitor ⇒ quenching processing, from the other party work of this time there is also a demand, is to be executed as a re-test in the setup that receives ⇒ next day cleaning test on the day after processing were. In the other end, usually that of a has been introduced into the cleaning process the next day after processing at the latest. ⇒ where you tell also Aqua chemical Thailand Fujikawa president, it can be removed if the work before the carburizing inhibitor to stick and by and there is a possibility, it was decided to you are able to setup the washing test to prospect the week after next.
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