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  2. Sealing wax - Wikipedia

    en.wikipedia.org/wiki/Sealing_wax

    Since the advent of a postal system, the use of sealing wax has become more for ceremony than security. Modern times have required new styles of wax, allowing for mailing of the seal without damage or removal. These new waxes are flexible for mailing and are referred to as glue-gun sealing wax, faux sealing wax and flexible sealing wax.

  3. Resealable packaging - Wikipedia

    en.wikipedia.org/wiki/Resealable_packaging

    The zip is bonded to the packaging by a heat activated adhesive that is pre-applied to the backing of the zip. The first resealable packaging with a zipper was licensed in the United States by Minigrip® in 1954. "Ziplock" is now used as a noun or adjective in relation to plastic bags using this type of seal regardless of manufacturer. [2]

  4. Security tape - Wikipedia

    en.wikipedia.org/wiki/Security_tape

    Delamination and printing exposure of a security tape on a pallet load Specimen test bottles with die-cut security strip indicators Box with circular tamper-evident seal. Security tape (or security label) is a type of adhesive tape used to help reduce shipping losses due to pilfering and theft. It helps reduce tampering or product adulteration.

  5. Pressure-sensitive adhesive - Wikipedia

    en.wikipedia.org/wiki/Pressure-sensitive_adhesive

    Pressure-sensitive adhesive (PSA, self-adhesive, self-stick adhesive) is a type of nonreactive adhesive which forms a bond when pressure is applied to bond the adhesive with a surface. No solvent, water, or heat is needed to activate the adhesive.

  6. Envelope - Wikipedia

    en.wikipedia.org/wiki/Envelope

    An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card. Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a short-arm cross or a kite. These shapes allow the envelope structure to be made by folding the sheet sides ...

  7. Polyvinyl acetate - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_acetate

    The use of PVAc on the Archimedes Palimpsest during the 20th century greatly hindered the task of disbinding the book and preserving and imaging the pages in the early 21st century, in part because the glue was stronger than the parchment it held together. [7] In handicrafts. As envelope adhesive. As wallpaper adhesive.

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