AU-19 is a combination of polyoxyethylene polyoxypropylene block copolymer compound composition. Mainly used in fracturing, acidizing working fluid, using different solvents can be used for crude oil dehydration, acidification, after fracturing emulsion breaking, is a versatile additive. Specification: (1) Appearance: light yellow or light brown viscous liquid; (2) Density: 0.90 ~ 1.00g/cm3; (3) loss point: ≥ 95 ℃; (4) dehydration rate: ≥ 95%; 破乳劑主要用于壓裂破乳后的原油脫水，酸化，是一種通用的添加劑。 詳細說明： （1）外觀：淡黃色貨淡棕色粘性液體 （2）密度：0.90 ~ 1.00g/cm3; （3）損點：≥ 95 ℃; （4）脫水率：≥ 95 %;