A HARDENER for use in Urea formaldehyde Adhesives and urea - melamine - formaldehyde Adhesive composition comprising Said HARDENER and its use.

摘要

A HARDENER for the use of Adhesives, Urea formaldehyde and urea - melamine formaldehyde Polyvinyl Acetate emulsion comprises a together with a metal chloride and ammonium salt.The Adhesive composition comprising a Resin deurea formaldehyde or urea - melamine - formaldehyde, and Elendurecedor mentioned above provide an increased rate of curingAn acceptable viscosity, Better adhesion and more Tolerance toward the type of substrate.