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thermosept® PAA base

active oxygen-based disinfection of flexible endoscopes


Our Plus

  • effective against bacteria, mycobacteria, fungi, viruses
    and spores (incl. Clostridium difficile spores)
  • good material compatibility due to a 2-component system
  • short contact time
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Fields of Application
For the automated chemothermal reprocessing of flexible endoscopes in AERs.
thermosept® PAA base/additive is suitable for the use in all common AER systems which are released for the use of peracetic based products.
Bactericidal, tuberculocidal, mycobactericidal, fungicidal, virucidal (in accordance with DVV/ RKI Guideline** 12/2014 and EN 14476, EN 17111), sporicidal (Clostridium difficile spores) at 1.0 % - 37 °C - 5 minutes or 1.2 % - 35 °C - 5 minutes.
Instructions for use
• Dosage: 1 % (10 ml/l) - 37 °C or 1.2 % (12 ml/l) - 35 °C
• Whenever possible, simultaneously dose thermosept® base and thermosept® additive. If the AER metering pumps are unable to dose the two components simultaneously, add thermosept® PAA base and then thermosept® PAA additive immediately thereafter. Ensure that this order is followed so as to guarantee material compatibility.
• The contact time is 5 minutes.
• Disinfection components are compatible with the mild alkaline cleaning agent thermosept® EndoCleaner. Approved microbiological compatibilty.
Product data
Composition, base component:
100 g of solution contain: 5 g of peracetic acid, hydrogen peroxide and acetic acid.

Composition, additive component:
100 g of solution contain: potassium hydroxide, phosphates and corrosion inhibitors. Labelling according to Regulation (EC) No. 648/2004: < 5 % phosphates

Chemical-physical data

Viscosity, dynamic:14,9 mPa*s / 20 °C
Density:1,1 g/cm3 / 20 °C
Flash point:Not applicable
pH:< 1 / 20 °C
Special advice
The base and additive components have to be used in combination. Store in original container at room temperature. Keep the container tightly closed. Protect from heat and sunlight. thermosept® PAA is not suitable for instruments made of brass and copper or chrome-plated instruments. According to EN 17664, the instrument manufacturers' instructions should be followed and, if necessary, the compatibility of the materials ensured before the application. This applies in particular when reprocessing older endoscopes. These should be strictly tested for compatibility with peracetic acid. For professional use only. Read label and use instructions before use.
Information for order
ItemDelivery formItem no.
thermosept PAA base 5 l KA2/Cartonon request
thermosept PAA base BHT Pin 5 l KA2/Cartonon request
thermosept PAA base 200 l FA1/drum(s)on request
thermosept PAA base Drumt. 200 l FA1/drum(s)on request
thermosept PAA base Adapter 4 l KA2/Cartonon request
These products are not available in every country. For more information please contact our local subsidiary or distributor.
Environmental information
schülke manufactures products economically and with advanced, safe and environmentally friendly production processes while at the same time maintaining our high quality standards.

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