α,α'-[1,4-Dimethyl-1,4-bis(2-methylpropyl-2-butyne-1,4-diyl]bis[ω-hydroxy-poly(oxy- 1,Chemicalbook2-Ethylene) (AvgMn465-485) used as an anti-sugar coating for the prevention of plant diseases, nano-selenium as an antioxidant in multilayer food packaging materials. Surfactant. Reducing surface tension; Wetting agent for emulsion polymerization , defoamer and emulsifier.