Donol ED 28 is a kind of polyether polyol,with a functionality of 2 and molecular of 4000,
this high-activity polyether polyol can be used for the preparation of footwear material,
which can increased the product's elongation while curing speed increases and stripping time gets shorter.

Property	Parameter
Appearance	colorless transparent Liquid
Water content(%)	≤0.05
Hydroxyl value(mgKOH/g)	26.5-29.5
Unsaturation value(mol/kg)	/
Acid value(mg KOH/g)	≤0.05
K+ (ppm)	≤5
pH	5-7
Chroma(APHA)	≤50