Polyvinyl Alcohol (PVA) is a water soluble and biodegradable synthetic polymer.It is a dry solid,and is available

in granule and powdered forms.Grades include both fully hydrolyzed and partially hydrolyzed.PVA is an excel-

lent adhesive with superior bonding strength,film forming and emulsifying properties.The film of PVA exhibits

outstanding resistance to oil,grease and solvents.In addition to its film forming property,it has excellent adhe-

sion to both hydrophilic and hydrophobic materials.PVA has been extensively used in textile industry for warp

sizing and resin finishing;in paper industry for surface sizing and pigment coating;in the production of PVAc

emulsion as protective colloid;in the suspension polymerization of PVC as a dispersion agent;as binder for

ceramics,magnet,foundry cores and pigments.