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DeveloperS-655^#It is a kind of anti welding ink specially used for high quality requirements/線路干膜使用的Developer，主要成分by高純度的碳酸鉀及溶纖劑、軟水劑、非silicon型消泡劑等高級原料。This producthaveHave excellentAnalytical abilityandExcellent stability，Long service life and other advantages,thusWidely usedIn productionhigh-density、Thin lineHDIIn the process,As a substitute for sodium carbonate solution.

This product series is divided into cylinder opening agentS-655A, supplementsS-655RortenTimes concentrated supplementS-655P。

Will nowhisThe physical and chemical properties, uses and precautions of are introduced as follows:
1. Physical characteristics

two. Chemical properties

3．process parameters ^*：

以(yi)上參數是以(yi)某品牌油(you)墨(mo)by參考而設定的，不一定適合(he)所有(you)品牌and型號的油(you)墨(mo)，使用(yong)時需根(gen)據油(you)墨(mo)的說(shuo)明書(shu)調整(zheng)。

4．Test method:

1、移取試(shi)樣5ml到two50ml的錐形瓶中(zhong)，加入蒸餾(liu)水50ml；

two、滴人5滴溴甲酚綠(lv)-甲基(ji)紅混合指示劑；

3、用0.1N的鹽酸標準(zhun)溶液滴(di)定至溶液由綠變by暗紅色(se)，煮沸two分鐘，冷(leng)卻后，繼續滴(di)定至暗紅色(se)；

4. Blank test shall be conducted at the same time.

5、計算Potassium carbonate content(%)=1.38（V-V₀）C/d

5: Volume of hydrochloric acid standard solution consumed by the sample, ml;

V₀: volume of hydrochloric acid standard solution consumed in blank test,ml；

C: Accurate concentration of hydrochloric acid standard solution, mol / L;

d: 試樣的density。

5. Precautions
This productbyWeakly alkalineLiquid,It is not a hazardous chemical.

Try to avoid direct contact with human body. Clean the skin with clean water; If splashed into eyes, wash with plenty of water。

This product用(yong)塑料容器包裝by宜，需儲存在陰涼(liang)通風處。

Valid for one year.