Propolis propolis has approximately 50 constituents, primarily resins and vegetable balsams (50%), waxes (30%), essential oils (10%), and pollen (5%). Propolis also contains persistent lipophilic acaricides, a natural pesticide that deters mite infestations. In neotropical regions, in addition to a large variety of trees, bees may also gather resin from flowers in the genera "Clusia" and "Dalechampia", which are the only known plant genera that produce floral resins to attract pollinators. "Clusia" resin contains polyprenylated benzophenones. In some areas of Chile and Argentina Andean valleys, propolis contains viscidone, a terpene from "Baccharis" shrubs, and in Brazil and Paraguay, naphthoquinone epoxide has
Glue stick glue sticks. Generic brands like M&G also manufacture glue sticks, utilising the twist action. Glue sticks can come in many sizes, the most common being 8g, 25g, 36g, and 40g. Glue stick compositions are often proprietary, and vary by manufacturer and type. One style contains the following ingredients: The reportable composition of a Pritt Stick is as follows: Other brands are using e.g. polyvinylpyrrolidone as the glue substance. Glue stick Glue sticks are solid adhesives in twist or push-up tubes. The user can apply glue by holding the open tube, and keeping their fingers clean. Most glue sticks are designed