Isıcam Hotmelt Production Facility

With a flexible formulation structure, open time, softening point, and adhesive properties can be designed to fully meet customer requests and needs. There are different types of hot melt adhesives. 

EVA-based hot melt adhesives
Polyolefin-based hot melt adhesives
Block copolymer-based hot melt adhesives (PSA-Pressure Sensitive Adhesive)
Polyamide-based hot melt adhesives.

Hot melt is a type of adhesive with many areas of use, finding its place in many production processes, and is an environmentally friendly adhesive suitable for human health. The main usage sectors are as follows;

• Printing

• Automotive

• Labeling

• Packaging

• Hygiene

• Mattress

• Shoe

Hot melt adhesives do not contain solvents and do not contain water.
They are determined by heat loss. This provides them with a very fast setting speed.
They can bond two non-porous materials.
Polymers provide adhesion strength and a degree of flexibility.
Resins ensure that adhesives stick immediately when hot.
It thins the adhesive to be able to apply wax.
Antioxidants help protect the adhesive at high temperatures.
How do hot melts work?

Hot-melt adhesive is applied to a material in liquid (melted) form.
The time between the application of the adhesive and bringing the second material into contact is called open time.
When the second material comes into contact, the adhesive cools and solidifies very quickly.
At this stage, compressing the materials is very important.
What affects adhesion?

As hot melt adhesives determined by heat loss, the temperature at which they are applied is critical.

It should be liquid (melted) enough to wet the surfaces and hot enough for assembly before cooling.

If the adhesive is not hot enough (in the melted stage), a bond (cold bond) may be made that will fail at a later stage.
On the other hand, if the adhesive is applied at a very high temperature, it may remain melted for a long time and may still come out soft from the compression stage.

Any pressure on the bond later causes failure or creates a weak bond that will fail at a later stage.

Application Tips

The materials to be bonded should be clean, dry, and free of dust, oil, and grease.
Hot melt adhesive should be applied at the correct temperature.
The temperature of the materials and the environment can affect adhesion:
It takes too long to put very hot and sticky adhesive
Very cold and sticky materials bond before bonding.
The amount of adhesive applied significantly affects the bond:
Too little adhesive may cool faster before the bond is properly made
Too much adhesive prevents the bond from cooling before compression starts and causes it to break apart.