tween 20 is oiI-in-water emulsifier, can be used as solvent, diffusant, stabilizer, lubricant and anti- ... )90∼110 Water (%)≤3 Usage: It is oiI-in-water emulsifier, can be used as solvent, diffusant, stabilizer, lubricant and anti ... . It can still be used if qualified after re-check Tween-20/tween/tween series