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Interlux Epoxy Primekote for Polyurethane Marine Paint

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Interlux Paint

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Product Description

Interlux Epoxy Primekote

Epoxy Primekote is a multi-purpose two-part epoxy primer that is the recommended primer for use with two-part finishes such as Perfection® Polyurethane and can also be overcoated with any Interlux topside paint. It is also used as part of a system to resurface cracked and crazed gelcoat prior to the application of topside paint and over clear epoxies to eliminate the effects of amine blush. It's bright white color makes it ideal for priming bilge and locker areas.

  • Suitable under all Interlux topside finishes
  • Can be used to re-surface cracked and crazed gelcoat prior to the application of topside paint
  • Can be used over clear epoxies as a sanding surfacer and to eliminate the effects of amine blush
  • Application by spray or roller/brush



Additional Information

Manufacturer Interlux Paint
Manufacture Part Number 404QT
UPC 81948404044


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How To Apply

APPLICATION DATA METHOD: Airless Spray, Brush, Conventional Spray, Roller (Pressure Pot)

NUMBER OF COATS: Above the Waterline:1-2    Below the Waterline:5-6


COVERAGE: 450 ft²/gal by brush, 375 (ft²/Gal) by spray

APPLICATION TEMP: 50°F Min. / 90°F Max.

THINNER: Brush Reducer 2333N and Reducing Solvent 2316N

Temp To Touch To Recoat
95°F 1 HR 6 HR
73°F 2 HR 8 HR
50°F 3 HR 12 HR

Note: Epoxy Primekote must be sanded between coats and prior to overcoating with topside finish.

BARE FIBERGLASS: Degrease by wiping with a rag soaked in Fiberglass Solvent Wash 202 or Fiberglass Surface Prep YMA601. Abrade with 120-220 grade (grit) paper. Remove sanding residue.

CLEAR EPOXY: Allow three to five days for clear epoxies to cure fully. Remove amine blush by using Fiberglass Surface Prep YMA601. Sanding does not remove contamination. Rinse with fresh water and allow to dry. Abrade with 80-120 grade (grit) paper. Remove sanding residue. Repair any defects with Watertite, then sand with 120-220 grade (grit) paper and remove sanding residue.

STEEL HULLS: Surface should be blasted to bright metal. If blasting is not possible, grind with 36 grade (grit) discs. Apply one coat of InterProtect 2000E that has been thinned with 2316N. Follow overcoating times for InterProtect 2000E and apply Epoxy Primekote.

BARE WOOD: Sand surface with 80-120 grade (grit) paper, wipe clean.

APPLICATION INFORMATION: Apply the first coat and allow to dry overnight. Sand between coats with 120 grade (grit) paper. Stir or shake individual components thoroughly. Add curing agent to the base at 1 part curing agent to 3 parts base (by volume). Stir and leave for 20 minutes induction time and to allow the bubbles to disperse. Add thinner after the induction time. Thinner Brush/Roller - Brush Thinner 2333N. Spray - Reducing Solvent 2316N. g Epoxy Primekote must be thinned a minimum of 25% before application. Use Brush Reducer 2333N when brushing or rolling, and Reducing Solvent 2316N when spraying. Add thinner after the induction time. Airless Spray Pressure: 170-204 bar/2500-3000 psi. Tip Size: 0.53 mm/21 thou. Conventional Spray Pressure Pot: Pressure: 3.44-4.47 bar/50-65 psi (gun pressure); 8-10 psi (pot pressure). Tip Size: 1.8-2.2 mm/70-85 thou. Other If fairing is required, apply 1 coat of Epoxy Primekote. After overnight dry, sand and apply Interfill Epoxy Filler or Watertite. This should be followed by additional coats of Epoxy Primekote. When using below the waterline, apply a minimum of 5-6 coats (10 mils minimum) of Epoxy Primekote. Do not apply over one part paints. Do not use unless mixed thoroughly with the curing agent at specified ratio. Product temperature should be minimum 10°C/50°F and maximum 29°C/85°F. Ambient temperature should be minimum 10°C/50°F and maximum 35°C/95°F. Substrate temperature should be minimum 10°C/50°F and maximum 29°C/85°F.