Established and recognised Worldwide.

The suitability of IMP sealants for the impregnation of porous components has been verified by international certification and approval by renowned institutions:

  • GWI Gaswärmeinstitut e. V., Essen/Germany
  • Hygiene-Institut des Ruhrgebietes, Gelsenkirchen/Germany
  • NSF International, Ann Arbor /USA
  • Lloyd´s Register, London /UK
  • Department of the Navy, Washington D.C. /USA (MIL-I-17563B+C).