FILTROP GROUP – High-Tech Solutions made in Liechtenstein – Components for Medical Technology

Since more than 30 years, FILTROP GROUP is specialized in the design and manufacturing of components for OPTICS and FLUIDICS. In 2017 the two main competences have been divided into two companies, FILTROP and NANOSOL.

FILTROP’s field of activity is in OPTICS. The product range compromises all kind of optical components, raw materials, coatings and filters from UV to Visible and Infrared.

FILTROP AG – OPTICS: Optical Components and Coatings

  • Optical Components : Lenses, Prisms, Flats
  • Optical Raw Materials: Corning Fused Silica 7980
  • Optical Filters: Band Pass, Short Wave, Long Wave, Fluorescence, Neutral Density
  • Optical Coatings: Antireflection, Metallic Mirrors, Laser Mirrors, Beamsplitters, Dichroics
  • High Vacuum Coatings for Optics


NANOSOL’s core competence is in FLUIDICS and compromises the design and manufacturing of thin walled stainless steel needles and cannulas and includes heated needles and assemblies as well as hydrophobic, oleophobic and hard durable coatings.

Main customers for FILTROP and NANOSOL are OEM-accounts such as instrument manufacturers for use in Diagnostics, Analytics, Chromatography and Medical Technology.

NANOSOL AG – FLUIDICS: Technical Cannulas and Hollow Needles

  • Stainless Steel Needles and Cannulas
  • Heating Needles and Elements, Preheaters
  • Sample Loops, Capillaries, Mixing Paddles
  • Assemblies and Tubings
  • Hydrophobic and Oleophobic Coatings
  • Wet Chemical Coatings: Sol-Gel-Nanocomposite and Teflon Coatings
  • Hard Durable Coatings: DLC, TiN
  • Decorative Coatings