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Butyl & Bitumen Spray Primer

ME901 Butyl & Bitumen Primer is a brush applied polymer solution for use with illbruck butyl and bitumen tapes and membranes.


ME902 Butyl & Bitumen Spray Primer serves as a bonding agent and primer for the application of illbruck membranes incorporating butyl and bitumen adhesives. 

  • Easy spray application
  • Increases final bond strength
  • Improves adhesion of illbruck membranes
  • Short drying time

Technical data

MaterialSolvent based synthetic rubber
Open Time at +20°CApproximately 10 minutes
Open Time at +5°CApproximately 20 minutes
Open Time at 0°CApproximately 30 minutes
Open Time at  -5°CApproximately 40 minutes
StorageStore in shaded dry conditions between +5°C and 25°C
Shelf Life18 months when stored as recommended in original unopened containers

The primer retains a high level of surface tack after drying. Exposed areas (not covered by tape / membrane) may be subject to dirt pick-up.


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