What are the specific advantages of hot melt adhesives
Release time:
2023-03-21 10:34
Many people still don't understand the specific advantages of hot melt adhesives, so let's add some knowledge to everyone for hot melt adhesives!
(1) Rapid bonding Usually from gluing to cooling and adhesion, it only takes tens of seconds, or even a few seconds.
(2) Wide range of bonding for many materials, even for recognized difficult-to-stick materials (such as polyolefin, wax paper, carbon paper, etc.) can also be bonded, especially the use of hot melt adhesive bonded joints, can withstand more than 105~106 times of bending without cracking
(3) It can be heated repeatedly and bonded many times
(4) Stable performance, easy to store and transport
(5) Low cost hot melt adhesive has no solvent consumption, to avoid the presence of solvent, and the adhesive deformation dislocation and shrinkage and other drawbacks, help to reduce costs, improve product quality, however, hot melt adhesive also has some disadvantages: mainly heat resistance and low bonding strength, not suitable for use as a structural adhesive, because the melt viscosity of the hot melt adhesive is generally higher, the wetting of the bonded material is poor, usually need to be pressurized bonding, so as to improve the bonding strength; In addition, hot melt adhesives require special equipment when used, such as glue applicators, hot melt guns, etc., so they limit its application range to some extent.
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