Assertion: emulsion's viscosity | /r/HasProperty | 4-100 mpa·s
Facets:
value: preferably
type: DEGREE
Source sentences:
text: The polyvinyl alcohol (hereafter, PVA) in the present invention is preferred to have a saponification degree of 86-98 mol %, and the viscosity of a 4% aqueous solution at 20° C. should be preferably 4-100 mPa·s.