Environmentally sound

German Environmental Foundation approved

German Environmental Foundation approved 

Flyer (partial translation)

by DBU

(Deutsche Bundesstiftung Umwelt)

saying:

 

 

 

 

 

 

 
 
 
 
Scouring – an alternative to the use of biocides (Original weblink)
 
The hulls of boats and ships quickly become overgrown with aquatic organisms such as barnacles, mussels and algae. This leads to a substantial increase in weight, and reduces the driving speed of a boat markedly. Antifouling coating layers containing biocides have been used up to now in yachting and motorboating to protect against this fouling. It is hoped that non-poisonous coating systems and scouring procedures can be developed for yachts and pleasure craft, which will hinder this growth or remove it in such a manner that the environment suffers the minimum damage possible.
 
Test results of scouring devices
 
In order to encourage the market introduction of alternatives to anti-fouling substances containing biocides, the research laboratory LimnoMar of Hamburg tested various mobile scouring processes for their suitability in fresh- and saltwater. In addition to the effectiveness of the scouring, priority was placed on convenient operability and possible water contamination.
 
With the help of the test results, the maximum possible scouring intervals can be ascertained at which an effective scouring is possible without damaging the coating. It was  demonstrated that scouring intervals in high-growth waters must be very short, regardless of the scouring method. However, the scouring systems must still be modified and adapted so that they do not damage the soft coatings.
 
In freshwater, the organism growth rate is very much lower; implementation of the scouring systems from once to twice per season
on hard coatings has proven effective. There are still problems with the »niche areas« of the hull, which are not always reached. The equipment must therefore be matched to both the shipping area and the ship’s hull.

 

 

 

 Survey »Purgation methods as an alternative to antifouling« by DBU

 

 

This is what the survey says about Big Easy Cleaner

 

 »before and after 5 minutes purgation on steel,

compared product | film thickness pre | post treatment | degradation in µm«

on different coatings (Panadur, West System Epoxid)

 

 

»A clearly less elaborate device - showing very good results in fresh water and also right well results for long time in seawater - is the Big Easy Cleaner (BEC).

Contrary to brush systems, the BEC uses a transgation fleece, which is comparable to a kitchen »Scotch Britt«. It can be pushed against the hull surface harder than brushes, and by this it can remove fouling which brushes are not able to break down anymore.

The contact pressure is very high and makes the application more comfortable than with the brush systems in this test. Only elastic green algae caused problems, and of course hard-shelled organisms like barnacles, clams, oysters from a certain size on

Big Easy Cleaner has been positively evaluated in pricing, handling and application:

  

 

 

 

 

 

 

Pict. 118: Close-up of both coatings after half-side cleaning with the BigEasyCleaner (above PANADUR, below WEST SYSTEM with BYK additive)

 

 

 

 

 

 

    DBU booth at »Boot Düsseldorf« 2014.
1st photograph (01 DBU Stand) shows from left to right:

Dr. Maximilian Hempel | DBU
Dr. B. Watermann | LimnoMar
Dipl.–Ing. B. Wohlert | Lackfabrik
Dr. Christoph Schlüter | Umwelt Bundes Am
t