Chemical composition
Type: Nonionic Surfactant 
Component: Esterification reaction of stearic acid and polyethylene glycol
Structural formula:C₁₇H₃₅COO(CH₂CH₂O)nH 

Performance and Application
PEG400MS is soluble in a variety of organic solvents, dispersed in water, with emulsification, solubilization, wetting and softness. 
PEG400DS is soluble in ethanol, isopropanol, toluene and other organic solvents, dispersed in hot water, with dispersion, emulsification, shading, solubilization, thickening properties.