PLYMASTER

ADHESIVE CEMENT USED IN SELF-SUSTAINING FILM FORM FOR APPLICATION TO A BACKING MATERIAL TO WHICH SUCH FILM IS ADHERED, THE ADHESIVE FILM SUBSTANCE BEING COMPOSED OF NATURAL OR SYNTHETIC RESIN OR RUBBER OR BLENDS THEREOF TOGETHER WITH MODIFYING CHEMICALS FOR USE IN ADHESIVELY SECURING SHEET MATERIALS TOGETHER BY LAMINATING