The Hot Melt Lamination Process

The hot melt lamination process, unlike flame, doesn’t rely on the material itself to act as an adhesive.

Instead, a separate adhesive substance is heated up before being evenly distributed by rollers across the material. Finally, the process is completed in a similar method to flame lamination by feeding the materials through a compression roller to bond together.

hot melt adhesive lamination process 4

What is hot melt adhesive used for?

Hot melt industrial glue can be used in all types of product assembly, such as small joint assembly, large surface lamination, mounting and trip attachment. Product assembly that involves hot melt application can include appliances, mattresses, HVAC and many others.

What is the hot melt lamination process?

The hot melt lamination process, unlike flame lamination, doesn't rely on the material itself to act as an adhesive. Instead, a separate adhesive substance is heated up before being evenly distributed by rollers across the material.

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Hot Melt Lamination FAQs

The use of PUR hot melt adhesives provides a wide range of gluing options for different materials such as paper, foils, and laminates. The surface results range from high gloss to super matt.

Hot melt adhesive lamination, in comparison to flame lamination, allows to bond fabric, without the use of foam as an adhesive.

This lamination uses a polyurethane adhesive applied to one surface with a hot roller in order to bond it to another.  The adhesive can be applied as either a continuous layer or in a dot pattern. Hot melt lamination is useful for binding the same material or two different types.

The primary polymers used in hot melts are ethylene-vinyl acetate (EVA), polyolefins, polyamides and polyesters, styrene block copolymers, polyethylene, and ethylene-methyl acrylate (EMA) or ethylene n-butyl acrylate (EnBA).

Polyurethane Hot Melt is more commonly known as PUR Hot Melt. It is an adhesive, which is heated and distributed from a cartridge or slug, unlike the conventional hot melt that is in a pellet or stick form. PUR Hot Melt is distinctive because it hardens through moisture in the air, to form a super strong bond that cannot re-melt.

Polyurethan Hot Melt provides a stronger bond, than conventional hot melts. This is due to the PUR Hot Melt forming a strong intimal bond, which continues to strengthen because of how the adhesive reacts with moisture in the air.

This chemical process is also known as cross-linking. This means the PUR Hot Melt attaches to the object being glued and itself to form a stronger, permanent bond.


Hot melts are applied to a material in the liquid (molten) state. The time between applying the adhesive and then bringing the second material in contact is called open time. When the second material is brought into contact, the adhesive cools down and solidifies very quickly.

Hot melt adhesive film, produced by HMT Manufacturing, is similar to the material used in glue guns but arrives in the form of a fabric.

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