A substance such as a resin ester which is added to synthetic resins or elastomeric adhesives to improve the initial and extended tackiness of the film.
A substance applied to filter media to increase the retention of dust. It can be applied to the surface of media or throughout its depth. It may be an oil, a pressure-sensitive resin, or a solvent which imparts a tacky surface to the media.
Compounding ingredient which enhances the surface tack of uncured rubber compounds. Tackifiers are exemplified by pine tar, and are classed under ‘softeners and processing aids.'