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The flowability of hot melt adhesive particles has an impact on the quality of glue and adhesive. Hot melt adhesive has poor fluidity and can also cause stretching problems or mismatch with mechanical efficiency.
1. Sol temperature;
Hot melt adhesive is very sensitive to temperature, and changes in temperature can alter the structure of the hot melt adhesive. After slowly heating to a certain temperature, the performance of the hot melt adhesive reaches its optimal state.
2、 Coordination between the performance and process of hot melt adhesive;
Hot melt adhesivehas broad application prospects.. In order to meet the requirements of the bonding process, the formula and properties of the hot melt adhesive particles used in different products must be adjusted to varying degrees. The fluidity of hot melt adhesive varies in different regions. The flowability is generally related to the permeability of hot melt adhesive particles
3、 The quantity of adhesive in hot melt adhesive;
The fluidity of hot melt adhesive is indeed affected by the adhesive. Colloidal viscosity is high and not easily melted.
4. There are many impurities in the glue furnace.
In order to cope with the frequent use of high-density glue, the glue furnace is a continuous sol. Over time, the residue in the furnace will increase, which not only reduces the melting efficiency, but also leads to excessive mixing of slag and newly melted rubber, affecting the flowability and performance of hot melt adhesive particles.
5、 The glue outlet is blocked.
When the glue flowing through the outlet channel is blocked, the channel is not unobstructed. A maintenance plan should be developed for hot melt adhesive equipment, and its components should be regularly maintained, repaired, and cleaned to eliminate obstacles in the use of hot melt adhesive.
In Europe and America, Glue is commonly used as a synonym for Adhesive. Natural adhesives are commonly referred to as Glue, which is equivalent to “glue” in Chinese. It is a traditional idiom, such as Animal Glue for animal glue and Vegetable Glue for plant glue. After the 20th century, with the use and development […]
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The broken folding line of corrugated cardboard boxes is often related to the lack of reinforcement at the folding point and the brittle and hard adhesive layer. A high elasticity hot melt adhesive line can be added to the folding line to reinforce the weak points; The selection of glue prioritizes elasticity, and actual samples need to be confirmed based on the cardboard, equipment, and climate.
How to solve the troubleshooting of packaging hot melt adhesive? Hot melt adhesive is some of the most advanced adhesives used today, but even with daily maintenance, adhesive problems can still occur. This guide aims to help manufacturers overcome some of the most common adhesive challenges faced in packaging applications. There may be various reasons […]
