When.com Web Search

  1. Ads

    related to: paper envelope making without glue or salt

Search results

  1. Results From The WOW.Com Content Network
  2. Envelope - Wikipedia

    en.wikipedia.org/wiki/Envelope

    Envelope-making machines at the Post Office Savings Bank, Blythe House, West Kensington, London Machine Envelope Printer was one of the machine presses at the Bulaq Press. It present now in Bibliotheca Alexandrina. The most famous paper-making machine was the Fourdrinier machine. The process involves taking processed pulp stock and converting ...

  3. Sodium polyacrylate - Wikipedia

    en.wikipedia.org/wiki/Sodium_polyacrylate

    However, the salt removed from the soaking process can cause pollution including elevated total dissolved solids (TDS). A study was conducted to measure the effectiveness of instead using a low-salt skin preservation method with sodium polyacrylate which has a reduced amount of NaCl. The main goal was to retain the properties of commercial ...

  4. Silica gel - Wikipedia

    en.wikipedia.org/wiki/Silica_gel

    Silica gel's high specific surface area—around 750–800 m 2 /g (230,000–240,000 sq ft/oz) [6] —allows it to adsorb water readily, making it useful as a desiccant (drying agent). Silica gel is often described as "absorbing" moisture, which may be appropriate when the gel's microscopic structure is ignored, as in silica gel packs or other ...

  5. 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.

  6. Conservation and restoration of parchment - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Parchment can also be stored in envelopes constructed out of polyester sheets. [16] For the long-term preservation of organic material like parchment, the ideal temperature range is 10–15 °C (50–59 °F) with a relative humidity level of 30–50%. The ideal storage and display environment is oxygen-free, as oxygen prevalence has been shown ...

  7. How to properly address an envelope for every occasion - AOL

    www.aol.com/news/properly-address-envelope...

    Write the return address in the top left corner. Write the recipient's address slightly centered on the bottom half of the envelope. Place the stamp in the top right corner.