不卡的日韩夫妻交换在线视频_精品国产a免费观看黄AV下载_亚洲爱V精品一区二区三区_国产成人AV无码精品网盘

【Technical index】
Appearance 　　　　　　　light yellow transparent liquid
Odor 　　　　　　　　　　NA
Water solubility 　　　　　　Easy to dissolve
pH(1% Aq. solution) 　　　　3.5～5.5
Density (g/cm³,20℃) 　　　1.00～1.10 

【Packing and storage】
25 or 200L plastic drum, or special package for customers with special requirements, Stored in cool and ventilated place of room, Storage period is one year.