Paper sack making apparatus and method therefor

摘要

Compositions of both a waterproof and a non-waterproof adhesive suitable for paper sacks are based on a 1% solution of a neutralized grade of sodium carboxymethyl cellulose having a viscosity of between 7 and 12 centipoise and maize starch. The waterproof adhesive also contains resorcinol, NaOH, paraformaldehyde and formaldehyde.ALSO:Compositions of both a waterproof and a non-waterproof adhesive are based on a 1% solution of a neutralized grade of sodium carboxymethyl cellulose with a viscosity of between 7 and 12 centipoise and maize starch.