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S07 Heavy Cut Sea-Line is specialistic polishing paste with a very high cutting force which guarantee quick removal of defects and grinding scratches from a different kind of gelcoat (especially for polishing of industrial gelcoat)

S07 Heavy Cut Sea-Line is primarily designed for the companies which produce goods in which the outer layer is gelcoat or forms made from utility gelcoat and an industrial topcoat with a high toughness degree.

S07 Heavy Cut Sea-Line removes grinding scratches from gelcoat surface after treatment with sandpaper of gradation P800 or higher. The best results on industrial gelcoat we obtain when we finish grinding with sandpaper P1200 or higher.

Using S07 compound allows for shortening the labour time thanks to a high cutting force and gloss in final stage of work.




Surfacestool gelcoat (technical), gelcoat,

removing defects from the surface

gloss restoring

Surface preparation *mechanical grindingmanual grinding
light colordark colorlight colordark color
tool gelcoat (technical)P1200⇒P1500⇒P2000⇒
high hardness surfacesP1200⇒P1500⇒P2000⇒

Method of use:

Surface preparation :

Clean surface destined for polishing.

szlifowanie papierem P800Polish surface with sandpaper of final gradation : P800 →

szlifowanie papierem P1200Dark colours or hard surfaces polish with sandpaper of final gradation : P1200 →.

Use applicators:

More applicators Sea-Line® / BRAYT

Wool applicators Sea-Line® :

wełna-dwustronna-2Double-sided wool Sea-Line:

(code : 300006614)

wełna-jednostronnaOne side wool Sea-line :

(code: 300006613)

Sponge applicators BRAYT:

gąbka-białaPolishing sponge “PROFI” :

(code :300005933)

gabka-polerska-na-rzep-grubaPolishing sponge whit velcro :

(white – code : 300000384)

Special applicators Sea-Line® :

wełna-pol.-kula-2Polishing wool BALL (80mm) Sea-Line :

(Kod : 300006619)

Polishing :

Clean surface, apply compound onto an element or head (wool or tough sponge)

praca rotacyjna Apply compound at minimum rotations on the whole surface that is being polished (800-1000 rotations/min) polishing until it changes colour and compound changes its texture

max obrotySlowly increase speed max. to 1800 RPM working with a little pressure

Further steps :

Clean surface. If after using S07 left any defects:

In order to protect surface, it is recommended to use:

Technical information:


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Le nostre FAQ
Risposte alle domande più frequenti

Do you have to paint the scratched side of the boat?

If the scratches are not deep, then we can renew the scratched side by polishing with Sea-Line polishing pastes. Above the waterline, when the scratches are not deep, the surface can be repaired with a DRY FAST gel coat filler. Deep scratches should be filled with epoxy filler (selected depending on the requirements of the scratched surface), painted with a primer and then painted with topcoat.

Can I add some thinner to antifouling paint?

There is a possibility of thinning antifouling, but we do not recommend this procedure due to the risk of reducing the effectiveness of the paint. If it is necessary to thin the antifouling paint, it is recommended to dilute it to a maximum of 0-5% (by volume).

Can I mix polyurethane paints to get a different color?

Yes, you can mix Sea-Line polyurethane paints. The only difference are the pigments of polyurethane paints that determine the color of the paint. But remember to keep the right proportions of base, hardener and thinner.

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