This section provides an overview for glue guns as well as their applications and principles. Also, please take a look at the list of 10 glue gun manufacturers and their company rankings.
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A glue gun is a type of adhesion method. A glue gun is a method of bonding by using a resin that is solid at room temperature, liquefying it by heating, and then cooling and solidifying it again.
Since hot-melt resins do not use volatile solvents, they are characterized by being "non-flammable" and "eco-friendly". In addition, Glue guns have such advantages as "high work efficiency due to quick bonding," "wide range of applicable materials," "room temperature storage," and "beautiful finish at the time of bonding."
Glue guns are used in a variety of situations due to their wide range of applicable materials, quick adhesion, and high safety. Major applications include packaging, electronic components, construction, furniture, hobby and accessory items, automobiles, and food products.
In packaging, it is often used for bonding cardboard boxes and is used in sealing machines on packaging lines in the manufacturing industry. In the hobby industry, it is also used as an adhesive for glue guns on a household scale. In the food industry, it is used to bond desiccants used in food packaging due to its safety.
The most important feature of glue guns is that they bond very quickly, usually in seconds. General adhesives adhere by volatilizing the solvent or water in the adhesive or by causing a chemical reaction that solidifies the adhesive. In contrast, hot-melt adhesives adhere by the "heating-melting-cooling-solidifying" cycle of hot-melt adhesives.
In this case, the cooling and solidification speed of the glue gun's adhesive is faster than the chemical reaction of general adhesives, and glue guns can bond more quickly than general adhesives.
There are two main types of glue guns, depending on the adhesive properties of the base resin.
Compound glue guns, in which the base resin does not have adhesive properties, include polyolefin-based, synthetic rubber-based, and EVA-based glue guns. Components of compounded glue guns include base resins, adhesive agents, waxes, etc., and stabilizers such as plasticizers, fillers, and antioxidants as needed.
Polyester, polyamide, urethane, and polyester-based glue guns are typical examples of adhesive polymer-based glue guns in which the base resin has adhesive properties.
Finally, we will summarize the basic advantages and disadvantages of glue guns characteristics. The merits and demerits are as follows:
*Including some distributors, etc.
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