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Korapur 672

Self Levelling. Two component reaction adhesive for bonding rigid PVC, glass fibre-reinforced plastics, steel- and aluminium-sheets to PUR-, PVC- and PS-rigid foam.

Available in 6kg and 300kg packs.

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Description

Especially suitable for the manufacture of sandwich elements for the building industry and the manufacture of vehicles and containers

  • Usable as levelling compound*
  • Resistant to humidity and weathering
  • Very good adhesive properties
  • Meets the requirements of the International Maritime Organization

Processing temperature +15°C to +25°C

Additional information

Available Packs

6kg, 300kg

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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