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INTERNATIONAL B-FREE EXPLORE Biocide-Free Fouling Control

SVB item number: 41480 Manufacturer no.: YBF300/750AR
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B-FREE EXPLORE fully biocide-free fouling protection creates an ultra-smooth, semi-glossy surface, making it extremely hard for fouling to occur. The smooth surface also gives your boat more power and greater efficiency. Based on an innovative silicone polymer technology. Ideal for inshore waters, rivers and lakes as well as freshwater areas with light fouling conditions. Product details
only  €54.95 (€73.27 / L)
Shipping information: Dangerous goods
Available on 12.06.2026
pcs.
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At a glance!

Sailboat
Sailboat
Motorboat
Motorboat
customers like: Colour
customers like: Colour
customers like: Yield (theoretical)
customers like: Yield (theoretical)
Place of use: Inshore waters (1)
Place of use: Inshore waters (1)
by Bastian R.
It was easy to work with and the service and advice over the phone was great.
Read all product reviews
by Eva H.
- -
Read all product reviews

Product data

  • SVB item number 41480
  • EAN 5035686888944
  • Manufacturer no. YBF300/750AR
  • Description INTERNATIONAL - B-FREE EXPLORE
  • Antifouling type Biocide-free
  • Colour White
  • Colour code YBF300
  • Contents 0.75 l
  • Area of application Salt water, Fresh water, Brackish water / Mixed operation
  • Hull material GRP, Wood, Steel, Aluminium, Lead
  • Method of application Roller, Brush
  • Yield (theoretical) 7.5 m²
  • Max. time before immersion 1 month
  • For the Netherlands Yes
  • For Denmark Yes
  • Boat type Sailboat, Motorboat
  • Typical shelf life 1 Years
  • Shipping information Dangerous goods

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Product details

Based on cutting-edge silicone polymer technology, International's B-FREE EXPLORE totally biocide-free fouling prevention is not only incredibly effective but also has outstanding environmental benefits. The ultra-smooth, semi-glossy surface makes it extremely hard for fouling to occur. The smooth surface also gives your boat more power and greater efficiency. Any growth or dirt that settles on your hull can be easily removed with a simple wipe off or pressure wash. The paint has a low solvent content (VOC) and can be used for up to two years. Ideal for inshore waters, rivers and lakes as well as freshwater areas with light fouling conditions.

Processing instructions

Technical specifications:
  • Processing temperature: +10 °C to max. 30 °C
  • Drying time at 10 °C: 7 hours
  • Pot life at 10°C: 4 hours
  • Immersion after 25 h @ 25 °C
  • 1 month before immersion
  • Number of coats: 2-3

Suitable for hulls made of aluminium, GRP, lead, cast iron, wood and steel. EXPLORE can be painted over any antifouling when used with CONVERSION COAT and TIECOAT. EXPLORE is suitable for all speeds.

Application:
To ensure optimal adhesion and protection against growth, the surface of your boat must first be cleaned, degreased and, if necessary, a touch-up layer of TIECOAT applied if it is in good condition. EXPLORE can then be applied. If the surface is in poor condition, the surface must be cleaned and sanded completely. Then apply one coat each of CONVERSION COAT Primer and TIECOAT undercoat before applying two to three coats of EXPLORE.

Note!
Biocide-free antifouling is a green alternative to chemical antifouling. Unlike biocide-containing antifoulings, biocide-free antifouling does not kill marine organisms such as algae and mussels, but makes it more difficult for growth to adhere. Regular cleaning of the hull is necessary to ensure that biocide-free antifoulings can effectively prevent fouling to take hold. The use of biocide-free antifoulings is advisable in waters with low or medium fouling levels, for example in freshwater or cooler waters.

Documents

en-flag Manual
PDF (2,07 MB)

Product safety

Please note the following hazard warnings:

Contains biocides
No
UN number
UN 1263
Transport class
3
LQ weight
5 l
VOC content
250 g/l
Hazard pictograms
Signal word
Warning
Hazard warnings
Avoid breathing dust/fume/gas/mist/vapours/spray.
Dispose of contents/container to …
Keep cool.
Keep container tightly closed.
Store in a well-ventilated place.
Store locked up.
Call a POISON CENTER or doctor/physician if you feel unwell.
IF INHALED:
Collect spillage.
Avoid release to the environment.
Use only outdoors or in a well-ventilated area.
Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
If medical advice is needed, have product container or label at hand.
Keep out of reach of children.
Flammable liquid and vapour.
Toxic to aquatic life with long lasting effects.
May cause drowsiness or dizziness.
May cause respiratory irritation.
P261, P501, P235, P233, P403, P405, P312, P304, P391, P273, P271, P210, P101, P102, H226, H411, H336, H335
Contacts

What other SVB customers have to say

100% real reviews

4 customer reviews

3 (out of 4 ratings)
5 Stars
(2)
4 Stars
(0)
3 Stars
(0)
2 Stars
(0)
1 Stars
(2)
  • Advantages
  • Colour (3)
  • Yield (theoretical) (3)
  • Price/performance ratio (3)
  • Processing (3)
  • Effect (2)
  • Drying time (1)
  • Disadvantages
  • Price/performance ratio (1)
  • Effect (2)
  • Opinions
  • Place of use : Inshore waters (1)
All reviews Helpful reviews Latest ratings 5
1
Eva H.
by Eva H. Flag of Germany 3/19/2025 Verified purchase Variant: 41486
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  • Advantages
  • Colour
  • Yield (theoretical)
  • Price/performance ratio
  • Processing
  • Effect
  • Drying time
  • Opinions
  • Place of use : Inshore waters
Bastian R.
by Bastian R. Flag of Germany 5/4/2024 Verified purchase Variant: 41483
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It was easy to work with and the service and advice over the phone was great.
  • Advantages
  • Colour
  • Yield (theoretical)
  • Price/performance ratio
  • Processing
  • Effect
Tiberius D.
by Tiberius D. Flag of Germany 8/25/2024 Variant: 41480
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Quite a failure
When I was looking for a low-biocide antifouling for the Netherlands, I thought International would probably bring a useful product onto the market.
My boat: Catalina 34 sailing yacht (deep keel)
My sailing area: inland Netherlands and the North Sea coast
I had the coating applied (sanding down the existing antifouling down to the primer (International Gel Shield), then 2 layers of B-Free Tie Coat and 2 layers of B-Free Explore.)
After a month in fresh water, a few bubbles appeared just below the waterline. Later, they began to peel off. This may be an application error, I would like to know in which direction I should look.
After a month in Ostend, the growth began to grow strongly. Some of it could then be removed with a brush, but a lot of it still stuck. Even barnacles! After 2 months and the vacation, I had lost more than 1 knot of speed! I even went diving twice. But a lot of things are really well secured, except for the places where the entire coating is coming off.
My attempts to contact International (via the contact form) only resulted in an automatic email reply saying that they would get in touch with me shortly. Even 2 email inquiries have remained without any response to date (more than 1 month).
Conclusion: very disappointing bad investment!
  • Disadvantages
  • Price/performance ratio
  • Effect
Guido M.
by Guido M. Flag of Germany 8/19/2024 Variant: 41480
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Total failure!!!
I switched from International VM 17 Extra to the B-Free system. I was happy to take on the work on this system after receiving advice over the phone, as I was promised no toxic paint and a longer-lasting effect.
After several weekend trips, during which I noticed a reduction in speed, I was going on a summer trip lasting several weeks.
After one mile, I was determined to turn back! The boat was only doing 3 knots at 2500 rpm.
I first dived myself and was shocked to see that not only part of it but the entire underwater area was covered in mussels. 1 cm thick in places.
The vacation and the season are over.
Can INTERNATIONAL actually be held responsible for this?
Disappointment and total failure across the board. Definitely not recommended. It is not effective in any way. International told me over the phone that it could be due to the higher water temperatures.
My boat is in the North Sea!!!!!
  • Advantages
  • Colour
  • Yield (theoretical)
  • Price/performance ratio
  • Processing
  • Disadvantages
  • Effect
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INTERNATIONAL B-FREE EXPLORE Biocide-Free Fouling Control
Colour White
Contents 0.75 l
€54.95
VAT inc., ex-works