Hot melt glue sticks are the best partner for hot melt glue guns. Different types of glue sticks have differences in color, viscosity, melting point, etc. These factors also directly determine the application of hot melt glue sticks.

What is hot melt adhesive？

Hot-melt adhesives are thermoplastic materials composed of stabilizers, additives, pigments and polymers. They are non-toxic and tasteless, and are environmentally friendly chemical products; hot-melt adhesives are in the form of hot-melt adhesive pellets, hot-melt adhesive strips, and hot-melt films.

Advantages of hot melt glue stick

• 1. The hot melt glue stick has fast bonding speed, can be used for continuous glue application, and supports high-speed operation;
• 2. The glue stick is in a solid state, which is convenient for packaging and transportation;
• 3. No need for drying process, simple bonding method;
• 4. It is an environmentally friendly chemical, non-toxic and tasteless, and will not cause negative effects on the body;
• 5. The product has a wide range of applications to meet the needs of a variety of industries and has a wide market potential;
• 6. It is not easy to deteriorate and is convenient for long-term storage.

Hot melt glue stick classification

Common Questions about Hot Melt Glue Sticks 

Q1: During the process of using the hot melt glue gun, there is glue dripping

There are two main reasons for the occurrence of glue dropping: one is that the melting point of the selected colloid itself is too low, you can try to replace the glue stick with a slightly higher melting point; the other is that the hot melt glue gun used is not equipped with a regulating valve and the power is too high. You can choose to use a hot melt glue gun that has a regulating valve or can adjust the temperature.

Q2: The hot melt adhesive produced has poor adhesion and cannot be glued normally

Within a certain temperature range, the physical state of the hot melt glue stick will change with the change of temperature, so the temperature is one of the most common reasons. Therefore, when customizing the glue stick, you can choose according to the use area and season. To achieve the best bonding effect.

Q3: Wire drawing phenomenon occurs during use

Mainly affected by the curing time of the hot melt glue stick, it is actually the temperature of the selected hot melt glue gun; the user can understand the curing time when choosing the glue stick, and choose a temperature-adjustable hot melt glue gun for glueing, effectively avoiding wire drawing phenomenon.

Q4: There are small bubbles in the hot melt glue

Bubbles appear because the high temperature of the glue gun causes damage to the colloid, decomposition and gas, resulting in the generation of bubbles; during the glue melting process, the temperature of the glue gun should be controlled, and the equipment should be cleaned regularly to prevent carbon deposits and avoid excessive local temperature. The colloid is destroyed.

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