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Envelope Closure Methods
Peel & Seal Envelopes (P&S)
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The speedy way to seal envelopes. Simply peel away the release tape from the envelope flap to reveal a thick layer of adhesive which seals instantly with a strong bond. Seal strength does not weaken with age.
Press Seal Envelopes (PS)
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Press the two layers of adhesive (one on each flap) together to form an instantly strong bond. Seal strength weakens after a six month period. For peace of mind security slits are often added to clearly identify whether an envelope has been opened.
Gummed Seal Envelopes (G)
Moisten the layer of adhesive along the envelope flap and close.
Twin Gummed Envelopes (TG)
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Double the amount of adhesive for a stronger seal.