The distance between the nozzle and the product has the most significant impact on whether the spray glue is clean and neat.

Generally speaking, the closer the nozzle is to the product, the more precise the spray pattern will be. It is recommended to use a distance of 4 mm as the basic setting.

Of course, the optimal temperature depends on the adhesive used. Be sure to follow the adhesive manufacturer's data sheet!


Generally speaking, the higher the temperature, the lower the viscosity and elasticity of hot melt adhesive. The lower the elasticity of the adhesive, the less wire drawing is required during spraying.


You can gently heat the adhesive by gradually increasing the temperature of the heating throat relative to the glue machine, up to+10 ° C. The temperature in the glue machine remains constant.

Similarly, gradually increase the temperature between the heating throat and the spray gun, up to a maximum of+5 ° C. You will find that changing the temperature will have a positive impact on the breaking effect of the adhesive.

How to choose the right nozzle depends on the specific application.

However, before considering whether the nozzle type is suitable, please carefully check the condition of your nozzle first.


Is the nozzle intact and undamaged? Is the nozzle clean? Did you clean the nozzle promptly after the last use? This is equally important as the type of nozzle.

The selected adhesive must be suitable for the specific application.


If all the above adjustment measures do not bring the expected changes, you can try replacing with another adhesive with lower viscosity.

Please discuss the specific adhesive with your adhesive supplier or consult the sales representative of Oushida hot melt adhesive machine. We will be dedicated to serving you.