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The types of hot melt adhesive include: ethylene vinyl acetate (EVA) adhesive
Ethylene vinyl acetate (EVA) is a polymer based material used for standard packaging of industrial hot melt adhesives. EVA produces high-performance and highly competitive packaging hot melt additives. Ethylene vinyl acetate is considered the primary choice for many applications as it offers one of the largest performance ranges among all currently available applications. Ethylene vinyl acetate can function in both traditional and low-temperature hot melt adhesives.
Polyethylene is a polymer substrate suitable for pallet sealing and cardboard box applications. These adhesives have an extremely low odor, light color, and are easy to peel off from metal surfaces, making them easy to clean. Polyethylene is not suitable for bonding substrates, therefore it is suitable for use at traditional application temperatures.
Metallocene polymers have existed for decades. They combine with other components to provide great stability forhot melt adhesiveproducts. They provide storage temperature intensity in both hot and cold conditions. They have become the fastest-growing polymer base. Metallocene minimizes the decomposition caused by thermal exposure and reduces carbonization, while expanding the cold and hot bonding properties. Some of the products available today contain metallocenes in their adhesives; However, many variants with different stability, price points, and bond performance are different from the original product.
Amorphous poly (alpha olefin) (APAO) is mainly used in areas with long working hours or where it needs to be bonded to plastics. These types of adhesives have a sticky, soft, and very flexible texture. This makes them a very good choice for assembling products, including adding foam for corrugated packaging protection and bonding corrugated plastic containers.
Polyamide adhesives are excellent in places where high temperature resistance is required. They are also useful in situations where rapid assembly strength, solvent and oil resistance are required. Polyamide is considered an excellent choice for wood, filters, and other applications that require high performance. Polyamide requires extreme temperature applications of approximately 400 ° F (204 ° C). However, like other types of adhesives, they do not exhibit significant stability when heated.
What exactly is’ drawing ‘on the machine At the moment of glue coating or breaking, a thin wire is pulled out from the end of the sealing or gluing line, which is called “drawing” in the industry.Hot melt adhesive granulesAfter melting, it is a high viscosity hot fluid, and once the temperature, flow rate, and […]
How to obtain good performance of hot melt adhesive for books? Your primary task throughout the day is to ensure that everything in the factory runs smoothly and efficiently to achieve high output. Although it is only a small part of the entire process, it includes your hot melt operation. There are many factors that […]
The adhesive field is extremely extensive, and its core characteristic is the ability to achieve adhesive function through various mechanisms such as mechanical anchoring and adsorption. Therefore, any substance with such ability can be considered as an adhesive for use. Numerous adhesives have demonstrated cross material bonding capabilities, such as rubber adhesives that can connect […]
During the use of hot melt adhesive, many customers have reported that the glue does not stick. Therefore, most users will encounter various troubles in the production process because they do not have a deep understanding of hot melt adhesive. Below is a detailed introduction on how to improve the bonding strength of hot melt […]
