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Nowości > ENVIRAL Austria > Przegląd wiadomości >  print current side Wyślij ten artykuł do znajomych

Wiadomości z Austrii

Long-term study Danube ferry Ottensheim – Status after 23,000 hours

  
Figure 1+2: Test sheet with a strong growth of algae
Figure 1+2: Test sheet with a strong growth of algae  
Figure 3: Surface of the test sheet without any damage
Figure 3: Surface of the test sheet without any damage  
Figure 4: Flow side edge of the test sheet
Figure 4: Flow side edge of the test sheet  
Figure 5: Edge averted from flow with light abrasion
Figure 5: Edge averted from flow with light abrasion  

ENVIRAL® Austria

The long-term test now running for three years on the Danube ferry from Ottensheim provides new test results, which we herewith would like to inform you about.

 

The powder coated test sheet mounted on the hull of the ferry underwent a further examination in early 2015. After 23,000 hours exposed to the water, it shows a significantly stronger growth of algae, and, in particular, on the Danube-side surface. This probably took place due to the higher water temperature and was not easy to remove (see Figures 1 + 2). The surfaces of the sheet are in good condition and show neither blisters nor point corrosion. However, the degree of gloss of the coating has decreased significantly (see Figure 3). The flow side edge of the sheet discloses little damage, however, the adhesion of the powder coating remaining excellent (see Figure 4). The edge averted from the flow is also in good condition and only a slight abrasion being visible at the edge (Fig. 5).

 

The test will be continued and we will keep you up to date on the results of the tests.


Kategoria: ENVIRAL Austria
14.09.2015




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ENVIRAL ® Oberflächenveredelung GmbH – D-14823 Niemegk, Altdorfer Weg 6 – Telefon +49 (0)33843 642-0 – Telefax +49 (0)33843 642-24 – 0800 368 47 25