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Filler Alfrimal

Filler Alfrimal

Alfrimal is a filler for polyurethane resins. With this filler you can easily change the properties of your castings.

97 items in stock

  • Excl. BTW €3,26
  • Incl. BTW€3,95

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  • Extend the processing time
  • Pour Thickness increase to 80mm
  • flame retardant effect

Filler Alfrimal

With Alfrimal you can increase the maximum casting thickness of the PU casting system D80 to 80 mm instead of 30 mm.


Alfrimal (aluminum tri-hydrate) was added to a poly urethane casting system increases the rigidity of the PU (PU at gietsysteeem D80, for example, of 70 Shore A to a maximum of 85). Alfrimal with the maximum casting thickness PU casting system D80 is 100 mm instead of 30 mm.

Aluminum tri-hydrate is self-extinguishing and gives this property partly with the PU in which the filler is mixed.

The addition of Alfrimal prolongs the processing time of 5 to 10 minutes and adding the ontmaltijd from 50 minutes to 180 minutes.The of a small amount of filler will make the PU stronger. Too much filler, however, makes the PU brittle (but louder).

The maximum ratio in a normal polyurethane casting system is Polyol: Isocyanate: Alfrimal is 1: 1: 3

In bags of 1.5 kg or 25 kg.

If stored on a dry location this filler has an indefinite shelf life.

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0 - 192

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