Surface size uses _________ materials, commonly starch, but sometimes starch reacted with ethylene oxide are applied as a solution to the surface of the web at the size press, followed by drying.

Correct Answer: Polymeric
Surface size uses polymeric materials, commonly starch, but sometimes starch reacted with ethylene oxide hydroxyethyl starch with a relatively low degrees of substitution, carboxymethyl cellulose, polyvinyl alcohol, methyl cellulose, alginates, or wax emulsions utilizing alum that are applicable as a sol. to the surface of the web.