The surface of the VENTAFLEX air ducts are very resistant against environmental influences
GRP is resistant against solvents, plasticisers, fuel, mineral oil, diluted acids and alkalis: moreover against the influence of exhaust gases or aggressive industrial atmoshere.
The resistance against chemicals is especially beneficial with regard to hygiene and cleaning of the air ducts: the surfaces are not affected by common industrial cleaners.
Substance | Concentration | Resistance at 20-30°C |
Acetone | • • | |
Ammoniak | • • • | |
Petrol | • • • | |
Grease | • • • | |
Formaldehyde | • • | |
Ocean water | • • • | |
Lactic acid | • • | |
Mineral oil | • • • | |
Sodium Chloride | saturated | • • • |
Phosphoric acid | 10% aqueous diluted | • • • |
Turpentine | • • | |
Citric acid | • • • |
• • • resistant
• • conditionally resistant
Electrical conductivity | 10 e- 12 s/m |
Microbial inertness | certified according to standards VDI 6022 |
Erosion and emission of particles | certified according to EN 13401 |
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All air duct products, technical details, supplies and installation instructions can be found in our general catalog.

• Installation of VENTAFLEX air ducts with VENTASNAP and VENTAFIX
• Glueing of VENTAFLEX air ducts
• Installation of a compensator for the expansion compensation

• Laying the air ducts
• Length adjustment of air ducts
• Installation LAVANTUS ring seal
• Installation LavantusGrip