Introduction to Hot Melt Adhesive
Hot melt adhesive usually refers to a polymer adhesive that is solid at room temperature, heated and melted into a liquid state, and after coating and wetting the adherend, is pressed and cooled to complete the bonding within a few seconds. Hot melt adhesive is composed of polymer matrix, tackifier, wax, antioxidant, plasticizer and filler. adhesive”.
Hot melt adhesive classification
Classification by chemical composition: EVA, polyamide, polyester, SBS, SIS, polyurethane
By type: reactive hot melt adhesive, water dispersible hot melt adhesive, biodegradable hot melt adhesive, hot melt pressure sensitive adhesive.
Advantages of hot melt adhesive
1. The hot-melt glue stick has a fast bonding speed, which is convenient for continuity, automatic high-speed operation, and low cost;
2. No solvent pollution, no burning;
3. No drying process is required, and the bonding process is simple;
4. The product itself is solid, which is convenient for packaging, transportation and storage, with a small footprint and convenient storage;
5. Good bonding strength and flexibility;
6. Wide range of bonding objects, that is, bonding and sealing;
7. Good gloss and gloss retention, good shielding.
Disadvantages of hot melt adhesive
1. The performance is limited, the heat resistance is not enough, the bonding strength is not high, and the chemical resistance is poor;
2. Special hot-melt equipment is required for construction, such as hot-melt glue machine and hot-melt glue gun;
3. It will be affected by the weather and season on the bonding.
Winlong is a hot melt adhesive manufacturer, if you want to know more, please contact the adhesive experts at internetwoodglue.com. Our team of adhesive experts has served customers in dozens of industries. We look forward to the opportunity to be your trusted solution for all your adhesive needs
