Adhesives

Back-gum: Also known as Seam Gum. This is an adhesive that cannot be remoistened. It is used to seal the seams of the envelope to form the envelope pocket.

Latex: Made from a rubber based material for self-seal envelopes. Latex is applied to the seal flap and the back of the envelope, and sticks only to itself.

Peel and Seal: Applied to the seal flap and covered by release paper; self-sealing.

Peerless Tac: A unique closure device designed for long life with repeated opening and closing.

Remoistenable: Adhesive activated by water or solvent. Applied to the seal flap of envelopes.

Resealable:(Latex) A latex adhesive designed to form a lighter bond, this is used for multiple sealing and resealing.