Glue stick
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Glue sticks are solid adhesives in twist or push-up tubes. The user can apply glue by holding the open tube, thus keeping their fingers clean. In 1969 Henkel invented the world's first glue stick after studying the "twist-up ease" and convenience of lipstick applicators. There are now permanent, washable, acid-free, non-toxic, solvent free and in dyed varieties. Thanks to the special airtight cap and tube system, Pritt glue sticks keep fresh and can be used for several years.
Because of their ease of use, glue sticks are a popular school and office supply.
[edit] Applications
Glue Sticks are designed to glue paper and card together, as the glue is not as strong as some liquid based variants. They can be used for craft and design, office use and at school. The first ever glue stick that could be used for other materials (e.g. wood, glass and some plastics) was the Power Pritt, which was put on the market in 2003.