Can hot melt adhesive be heated and used repeatedly?
Hot melt adhesive needs to be heated and melted with a professional hot melt glue machine before construction and use, but sometimes the amount of use may not be accurately grasped, resulting in hot melt glue that is not used up in the glue tank. Can the unused hot melt adhesive be heated and used repeatedly?
After the hot melt adhesive is heated and melted repeatedly, its molecular structure will gradually become unstable, that is, the phenomenon of aging will occur. The aged hot melt adhesive will more or less affect its original performance. If the product has stricter requirements on the bonding effect, the change in the properties of the glue will directly affect the bonding effect to a certain extent.
At the same time, it is necessary to consider the sticking ability after sticking. The effect of aging on the performance of hot melt adhesive is all-round, and the influence between characteristics is also interlinked. Risk of opening glue.
It is very harmful to heat the hot melt adhesive for a long time. Even if it can’t be used up at one time, you should not keep heating the same pot of glue at high temperature. The correct way to deal with it is to properly re-add a certain proportion of hot melt glue, so that the newly melted hot melt glue is not used up before. The hot melt adhesive is mixed together, so that the performance of the hot melt adhesive will not change greatly.
Winlong is a manufacturer of hot melt adhesives, if you would like to learn more, please contact the adhesive experts at internetwoodglue.com. We have served customers in dozens of industries and can meet all your adhesive needs
