DeveloperS-655^#It is a kind of anti welding ink specially used for high quality requirements/线路干膜使用的Developer，主要成分by高纯度的碳酸钾及溶纤剂、软水剂、非silicon型消泡剂等高级原料。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 ^*：

以上参数是以某品牌油墨by参考而设定的，不一定适合所有品牌and型号的油墨，使用时需根据油墨的说明书调整。

4．Test method:

1、移取试样5ml到two50ml的锥形瓶中，加入蒸馏水50ml；

two、滴人5滴溴甲酚绿-甲基红混合指示剂；

3、用0.1N的盐酸标准溶液滴定至溶液由绿变by暗红色，煮沸two分钟，冷却后，继续滴定至暗红色；

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

5、计算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: 试样的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用塑料容器包装by宜，需储存在阴凉通风处。

Valid for one year.