Poly Polyol VE-220A is a 2,000-molecular-weight
polypropyleneoxide-based diol withlow unsaturation. It is mainly to produce coatings,sealants,
adhesives and elastomers increasing their elongation.
Specifications
Item
Standard
Hydroxy Number mgKOH/g
54-58
Acidity mgKOH/g
≤0.05
Moisture %
≤0.05
PH
5.5-7.5
Color APHA
≤30
Appearance
Transparent,colorless liquid
Viscosity mpa.s/25ºC
270-370
Handling Precautions
Flash point is above 200ºC(open cup method), flammable but non-explosive. In case of fire,
put out withfoams, dry powder, steam or water.
When handling polyols, precautions should be taken to avoid
exposure to the eye or prolong contact withthe skin. If eye contact occurs, flush with plenty of water. If
skin contact occurs, wash exposed areasthoroughly with soap and water.
Storage
VE-220A is slightly hygroscopic and may absorb water. Containers
should be kept sealed and protectedfrom contamination of moisture and foreign materials. Containers
should be kept in ventilated warehouseunder room temperature.