disclosed is a pre - coat composition consisting essentially of a low density polyethylene having a melt index of from about 70 to about 425 ; a nitrogen - containing silane cross - linking compound , a resin having a ring and ball softening point from about 50 ° c . to about 115 ° c . ; a hydrocarbon wax ; and optionally naphthenic oil . the composition is useful in the manufacture of tufted carpets .