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PUR hot melt adhesives


Polyurethane (PUR) hot melts are reactive adhesives. After the adhesive has been applied PUR hotmelts will start crosslinking. The reaction time is mostly between 24 en 48 hours. The reaction time must not been confused with the fast setting time, hotmelts in general are known for. A PUR hotmelt still can have a fast setting time from several seconds.

PUR hotmelts are known as very dureable, heat-,cold, and waterresistant. PUR hotmelts do bond to most materials as wood, paper, board, glass, metal and most plastics. PUR Hotmelt do not give a bond to untreated PolyEthylene (PE) or PolyPropylene (PP). PE and PP can be treated, e.g. with Corona, to improve the bond of a PUR hotmelt on these substrates. We always advice to test the materials and adhesive and ensure quality, before setting up large productions.

PUR hotmelts are commonly used in:

  • Assembling industries, assembling products like fridges.
  • Wood industries, e.g. panel production
  • Textile industries
  • Graphical industries (glue lap bonding)
  • Bookbinding industries

Some products require translucent or a fully transparant bonding, that has to withstand UV light as well. Most of our Polyurethane recipies can be made UV resistant with adding UV blocking components, it's also possible to use our fully transparant and UV stable PUR hotmelt. This hotmelt does not need (non transparant) UV blocking components and keeps Fully transparent all the time.

PUR hotmelts can give an increase of the durability of your product. Several years ago it was only possible to use Polyurethane adhesives with large BULK hot melt installations. Nowadays we have small handguns avaiable for about 135 euros. We handle different packaging for our PUR hotmelts, for special applications, we can provide packaging on request. Standard packaging are:

  • 50 gram tubes
  • 300 gram tubes
  • 2,5 Kg block
  • 20 Kg drum
  • 200 Kg drum

If you are interested in a test, whether or not with a PUR hot melt, you can always inform at our office for a laboratory test. It's also possible to do some testing by yourself, by buying one of our hot melt hand guns.

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