播放中国国产国语纯一级黄片免费看, 大鸡吧快来啊阿啊阿啊黄片在线播放, 中文精品日韩网站在线观看视频免费, 别揉我奶头~嗯~啊~一区二区三区,AV无码播放一级毛片免费古装,亚洲春色一区二区三区,91大神极品,美国一级大黄一片免费下载,午夜爽爽爽男女免费观看软件

化學(xué)配方數(shù)據(jù)庫(kù)
配方類型: METALS AND TREATMENTS
配方說(shuō)明: Soldering fluxes
配方組成:
配制方法: Zinc Chloride Flux Concentrations of 0.02-0.25% of "AEROSOL" MA or AY are used, depending on the concentration of zinc chloride.
Rosin Flux "AEROSOL" OT, MA, or AY are particularly effective wetting agents in rosin-based fluxes. A concentration of 1-5% on weight of rosin is recommended.
Hydrochloric Acid flux "AEROSOL" OS is an effective wetting agent in acid fluxes, and, in addition, prevents the acid from etching the metal without reducing the acid action on the oxide film. One percent, based on the weight of hydrochloric acid solution, is used.
The procedure for dissolving the surface active agent in the flux is as follows: Make a 1-10% solution of the agent in water. Make up the flux solution with the maximum amount of water, allowing room. for additional water added with the wetting agent.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110