International Primocon Antifouling - Underwater Primer 750ml

International Primocon Antifouling - Underwater Primer 750ml

£22.99 £19.95
You save: £3.04  (13.22%)



Marine Miles:

Marinestore miles reward your loyalty with future discounts at the checkout. 200 miles earned equal a £1 reward discount. T&C’s apply - click here

This item is worth 100 Marine Miles points!

  • Details


Primocon is a grey, tar-free, quick drying, conventional primer for all substrates underwater. Also suitable as a barrier/ sealer coat over incompatible or unknown antifoulings. Can be used under all International antifoulings. Not suitable to be overcoated with 2-component solvent-based paints. For detailed product information refer to

Application Details: - Interprotect

  • Area: Below the waterline
  • Finish/Sheen: Matt
  • Thinner/ Cleaner: YTA085 Thinners No.3
  • Number of Coats: 1-5 by brush or roller depending on the substrate.
  • Method of application: Brush, Roller or Airless Spray.
Drying/ Overcoating Information:
Temperature ºC
Touch Dry
Overcoating Time (Self) Overcoating Time (Antifoul) Immersion Time
Minimum Maximum Minimum
Minimum Maximum
5ºC 1.5 hours 3 hours -
6 hours 1 month 24 hours
1 month
15ºC 1 hour 3 hours - 3 hours 1 month 16 hours 1 month
23ºC 1 hour 3 hours - 3 hours 1 month 11 hours 1 month
35ºC 1 hour 3 hours - 3 hours 1 month 8 hours 1 month

Note: Wash all substrates except STEEL with Yacht Line Super Cleaner.

WOOD: Sand with 80-180 grade paper impregnate with Intertox if required. Pre-prime with Primocon thinned 10-15% with thinners no.3 (15-20% for oily woods).
Sand with 80-280 grade paper impregnate with Intertox if required and apply a coat of Crystal.
Sand with 180-220 grade paper.
LEAD: Rub down with an emery cloth or power wire brush. Degrease with Yacht Line Super Cleaner. Pre-prime with Etch Primer.
STEEL: Grit blast SA2½ to 3. Use an angle grinder on small areas. Pre-prime with Primocon thinned 10-15% with thinners no.3.
ALUMINIUM: Mechanically abrade with aluminium compatible sandpaper or low pressure grit blast using aluminium oxide. Pre-prime with Etch Primer.
ZINC/ GALVANISED STEEL: Pre-prime with Etch Primer
In good condition: Remove any loose or flaking material. Rinse with fresh water and allow to dry.
In poor condition: Antifouling should be completely removed with Interstrip.

  1. If any filling required use the appropriate product from the Interfill range, after the first coat of Primocon has been applied.
  2. Ensure all dust is removed with a dust wipe before painting.
  3. Stir thoroughly before use.
  4. Apply the following number of coats:- Steel/ Aluminium/ Alloy/ Lead - 5, GRP - 1-2, Wood/ Plywood - 3, Barrier/ Sealer Coat - 1.
  • Stir well before use.
  • Drying times refer to brush and roller applications.
  • If maximum overcoating time is exceeded, abrade thoroughly using 180 grade paper.
Coverage: 5.5m²/ 750ml

HELPLINE: 02380 21 31 46 - For Safety Data Sheet please click here.

Product Reviews

★★★★★ ★★★★★
4.11/5 Stars out of 9 Reviews
Pages 1   2
Verified Buyer
guest | December 22nd, 2011
5 coats on bare steel hull lasted 3yrs
Verified Buyer
(5) | February 18th, 2012
Best all round primer and very easy to use.
Verified Buyer
SteveCox | March 5th, 2012
I give this product 3 stars.
Verified Buyer
morgandlm | April 9th, 2012
Bought this to overcoat rust patches on a keel that had been firts primed with Hammerite. Worked well
Verified Buyer
6699 | October 27th, 2012
I give this product 5 stars.