nano ZnO suspension

 

High concentration ZnO in water、ethylene glycol、MEK or PGMEA up to 15wt% with polymeric dispersant, pH 7~8. The D50 particle size is around 90nm and the BET surface area is about 11m2/g.

 

Almost no sedimentation  :

2 weeks (in water)

1 week (in MEK)

1 week (in PGMEA)

2 months (in ethylene glycol).