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Factors affecting the glue coating effect of PUR hot melt glue machine
Jan 24 , 2024
PUR hot melt adhesive (Polyurethane Reactive) is a new type of one-component, solvent-free hot-melt structural adhesive. It is cured by moisture in the air and has excellent bonding strength and impact resistance after complete curing. It also has With excellent bonding strength, temperature resistance, chemical corrosion resistance and aging resistance, it has become the best adhesive for bonding...
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Is hot melt adhesive on diapers harmful?
Mar 21 , 2024
Why do diapers use hot melt adhesive? The production process of diapers is a relatively complex combination process, which is composed of surface non-woven fabrics, water-absorbent cores, PE composite bottom films, magic buckles and front waist stickers, anti-side leakage non-woven fabrics, elastic bands and many other materials. The combination of the above materials is bonded through hot melt ad...
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Why hot melt adhesive cools before bonding
Mar 26 , 2024
The hot melt adhesive cools before bonding. The reasons and solutions are as follows: (1) The use temperature of hot melt adhesive is low → increase the use temperature; (2) The opening distance is too long → reduce the opening distance; (3) The conveyor belt speed is too slow → increase the conveyor belt speed; (4) The amount of glue applied is not enough → increase the amount of glue applied; (5...
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Hot melt glue machine with temperature standby function
Apr 15 , 2024
Our hot melt glue machine is equipped with a temperature standby setting function, which can set the insulation temperature according to actual production requirements to prevent glue carbonization, reduce power consumption, shorten the heating time due to shift changes or lunch breaks, and prevent the glue from being overheated during breaks. affecting its performance, thereby causing inconvenien...
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Reasons why the carton sealing effect is not ideal
Jun 04 , 2024
Using hot melt glue to seal cartons is already very mature in the industry, but sometimes the glued box will open as soon as you pinch it. What is going on? First of all, it is necessary to determine whether the material used to make the box is the same as before, and whether the surface has been treated in any way, resulting in poor hot melt adhesive. In this case, the main reason is that t...
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How to solve glue gun leakage
Jun 20 , 2024
1. Glue leakage at the Hot melt gluing nozzle If glue leaks from the nozzle during glue spraying, the possible reasons are as follows: a. The temperature of the glue gun is not enough. The temperature of the hot melt glue gun should be increased appropriately. b. If the pressure or flow rate of the air jet is too small, glue will drip from the nozzle. Increase the pressure of the air blowing...
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Why should we clean pur hot melt hose regularly?
Jul 02 , 2024
Generally, after half a year or a year of use, the glue pipeline of the PUR hot melt adhesive machine needs to be cleaned and maintained. What are the advantages of regular maintenance? It can increase the fluidity of glue and improve the glue effect. 1. Ensure the quality of PUR hot melt adhesive Clean pipes can prevent PUR hot melt adhesive from remaining, solidifying or deteriorating in the pip...
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How to clean the hot melt glue gun nozzle?
Aug 05 , 2024
The nozzle is the part of the hot melt glue gun that is responsible for dispensing glue. It is also an important part of the hot melt glue machine accessories. If the glue spray is blocked due to improper use of the hot melt glue gun, it will greatly affect the work efficiency. So how to clean the hot melt glue gun nozzle? 1. Use a smokeless hot air gun to heat it, and then wipe it clean with a cl...
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What are the safety precautions when installing a PUR hot melt adhesive machine?
Aug 13 , 2024
1. The PUR hot melt adhesive machine needs to be connected to the power supply by a professional electrician. The polarity of the power supply must not be reversed, and the wiring needs to be fixed with special terminals. 2. When installing the pressure plate PUR hot melt adhesive machine, a useful grounding wire must be correctly connected. Any equipment that uses high-voltage electricity needs t...
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