Polyether 210、220

Polyether 220

It is dihydroxy polyether prepared by propylene and polyoxytrimethylen under alkali

 technical index
    appearance  ： light yellow, viscous liquid, no mechanical impurity
    hydroxyl value ： 56±4mgKOH/g 
    acid value  ：≤0.15mgKOH/g 
    water content ： ≤0.10% 
   double bond value ： ≤0.07mgKOH/g 

polyehter 210

technicalindex 
    appearance ：light yellow, viscous liquid, no mechanical impurity
    hydroxyl value： 100±10mgKOH/g 
   acid value： ≤0.15mgKOH/g 
   water content： ≤0.10W%