glue sticks are hermetically sealed adhesives in aim or push-up tubes. Users can apply glue by holding the approach tube to save their fingers tidy and rubbing the exposed attach adjacent to a surface.
Most glue sticks are meant to glue paper and card hoard together, and are not as strong as some liquid-based variants. They can be used for craft and design, office use and at school. There are now permanent, washable, acid-free, non-toxic, solvent-free, and dyed (e.g. to see where the paste is brute applied easier) varieties. These are most commonly used today.
In 1969 the German company Henkel invented the paste glue after studying the "twist-up ease" and ease of access of lipstick applicators. The product was released below the Pritt stick brand. By 1971 the Pritt attach was living thing sold in 38 countries, by 2001 in 121. The first solvent-free, multipurpose paste pin that could be used for new materials (e.g. wood, glass and some plastics) was the "PowerPritt", which was put on the publicize in 2003. There is moreover a "Pritt X", launched in 2010.
Glue sticks are made under many brands and each may have every other features to it. Various brands, such as Scotch, Elmer's, UHU, Kores, Giotto, UFO, Snopake, and Bostik U-Stick make glue sticks. Generic brands considering M&G moreover build paste sticks, utilising the aim action.
Glue sticks can come in many sizes, the most common ones are 8g, 25g, 36g, and 40g.
Known materials to be used for paste sticks are PVA or PVP. However, the Henkel company is as of 2000 not using PVP in Pritt anymore but makes use of natural starch
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