Table 1.

Characteristics of the materials tested.

Reference	Brand	Hydrolysis, Mole %	Viscosity (cps)	% PVA	% Glycerol
PVA.029	Selvol™ Polyvinyl Alcohol 205	87.00–89.00	5.2–6.2	85	15
PVA.030	Exceval HR 3010	99.0–99.4	12.0–16.0	85	15
PVA.031	PVA KURARAY POVALTM	98.0–99.0	3.2–3.8	100	0