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Korapur 672

Korapur 672 is a high-quality two-component reaction adhesive designed for bonding rigid PVC, glass fiber-reinforced plastics, steel, and aluminum sheets to PUR, PVC, and PS rigid foam.
Colour: Beige
Pack Size: 300Kg Drum
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Description

Its exceptional adhesive properties make it particularly suitable for manufacturing sandwich elements in the building industry, vehicles, and containers. Additionally, it serves as a reliable levelling compound.

Resistant to humidity and weathering, Korapur 672 meets the stringent requirements of the International Maritime Organization.

Additional information

Colour

Beige

Pack Size

300Kg Drum

Preparation

  • The surfaces to be bonded must be clean, dry and free of grease.
  • Metals must normally be pre-treated and possibly sanded Adhesion must be tested for compatibility by carrying out preliminary trials.
  • The use of a suitable primer improves the bond strength and ageing characteristics, as well as resistance to hydrolysis.
  • Surfaces of glass fibre-reinforced plastics must also be sanded.
  • Resin and hardener must be fixed thoroughly with a stirrer (approx. 400 revs/min) until the mixture shows a uniform beige colour

Bonding

  • Apply adhesive evenly with a spatula or a doctor blade to the surfaces to be bonded and join them.
  • The thickness of the adhesive layer depends on the proper[1]ties of the materials to be bonded.
  • The adhesive will cure without shrinkage.
  • When using Körapur 672, the bond can be exposed to light strain after 8–12 hours.
  • Final bond strength is reached after 24 hours.
  • High temperatures will shorten the curing time, low temperatures will lengthen it

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