2024 Author: Priscilla Miln | [email protected]. Last modified: 2023-12-16 00:21
Glue stick was invented by German specialists of the famous Henkel concern in 1969.
The convenience of the invention was quickly appreciated by customers, resulting in a huge success for the company. In that year alone, more than a billion glue sticks were sold in 121 states. Since then, consumers have received a fast and clean method of gluing. More than forty years have passed, but the office glue stick, along with pens, pencils, paper clips and other stationery, takes pride of place. This is facilitated by the ease of use, economy, portability and efficiency of the product.
Glue stick refers to solid types of adhesives. It is designed for gluing cardboard, photographs, paper, textiles. The plastic stick case is very convenient to use. Its design can be cheerful, catchy, bright and strict. The airtight cap closes easily with a single click with a characteristic click and resists the drying of glue and the evaporation of moisture. The twist-out mechanism of the rod, located at the base, allowsseamlessly twist and unscrew the column of glue.
The advantages of glue are obvious:
- dries quickly;
- washes off hands easily;
- glues smoothly and securely;
- does not get dirty;
- leaves no residue;
- does not deform bonding surfaces;
- does not crumble;
- spent sparingly;
- dissolves in water.
Due to its chemical properties, the glue stick displaces stationery silicate glue.
Glue stick is applied neatly and evenly in a thin layer, without spreading beyond the adhesive surface. The consistency of the stick allows you to apply both a narrow line and a wide one, across the entire width of the rod diameter. The adhesive properties of the glue stick appear half a minute after applying the gluten, which allows you to correct the errors found in the process of fastening documents in time. High-quality glue should not contain lumps and clots, otherwise, when gluing, the paper will be moistened and become sloppy, and the rod itself may turn into a viscous substance.
Glue stick. Composition
All adhesive sticks are made from the non-toxic biopolymer polyvinylpyrrolidone (PVP) or the solid and colorless substance polyvinyl acetate (PVA), which are used as thickeners. They glue the same way, but the glue with the PVP composition retains the adhesive properties longer. It contains natural glycerin as a moisturizer,
providinglong service life of the product and improving the properties of the adhesive. It allows you to easily apply a thin layer of glue, minimizing its consumption.
Glue stick does not contain solvents or artificial colors. It is absolutely safe for human he alth. The optimal concentration of adhesives ensures fast and strong bonding of materials. In this case, the paper is impregnated evenly and is not moistened. A red or blue pigment is added to the colored glue stick, which disappears after the adhesive layer dries. It is clearly visible on paper and helps to apply the product accurately and accurately.
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