What is hot melt?

Hotmelt consists of a meltable plastic, the best known are the thermoplastics, which are often sold as granules, these can be pearls and granules. There are also 200 liter melting vessels, e.g. for PSA hot melt adhesives, which are also sold in blocks of approx. 1 kg, other, unusual packaging forms are possible.

The hot melt adhesive creates a quick connection through the rapid cooling. Hotmelts are usually applied at 160 degrees Celsius. Hot melt adhesives do not contain any solvents.

There are also thermosetting hot melt adhesives, these are usually reactive polyurethanes. These PUR hotmelts are packed in airtight containers, usually 200 liter drums. After application and cooling, a crosslinking process begins, as with an ordinary hotmelt, which ensures greater cohesion and adhesion of the adhesive.

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