Polyisocyanurate (PIR)


PIR is manufactured from a mixture of two principal liquid components and a number of additives to produce highly cross-linked polymers with a 90% closed cell structure providing  an excellent resistance to moisture penetration.

Typical applications include: Oil Refinery, chemical process plant, cryogenic and Liquid gas plants, Rail and Marine transport, Refrigeration pipe work, Food processing, brewery industries and MOD applications.

Densities available; 35kg, 50kg, 60kg, 80kg, 120kg & 160kg.  Other densities are available on request.

Product Benefits

  • Dimensionally Stable
  • Closed cell Structure & excellent moisture resistance
  • Lightweight, Strong & Rigid
  • Resistant to many chemical solvents and oil
  • Low thermal conductivity
  • Non Fibrous
  • Oil Resistant
  • Proven Track Record


Available Forms:

Flat Slab
Pipe Sections
Pipe Supports
Radiused & Bevelled Lags
Segments for knuckles
Dome End Segments
Bends & Elbows

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