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Universally applicable epoxy primer in protective coating systems for steel with excellent adhesion properties. 
SIGMACOVER 280 is a two-component, aluminum-pigmented, polyamide-cured universal primer for above-water applications. Suitable for corrosion protection of metal surfaces and as a primer for paint systems on decks and ballast tanks. Can be painted over with most alkyd resin, chlorinated rubber, vinyl and two-component epoxy resin and polyurethane coatings. Cures even at low temperatures (5°C).  

Technical Data

  • Substrate: Steel, galvanized steel, stainless steel, aluminium, thermally sprayed metal (TSM), shop primer, concrete
  • Surface preparation:
    • Steel: Blast clean to ISO-Sa2½ (dry or wet), profile 30–75 µm
    • Galvanized steel/stainless steel: Sweep blast per SSPC P-16
    • Concrete: min. 28 days cured, max. 4.5% moisture, free from laitance
    • All surfaces must be clean, dry and free of contaminants
  • Topcoat: 2C epoxy and polyurethane coatings (e.g. SIGMACOVER, SIGMADUR)
  • Coverage: approx. 11.4 m²/l at 50 µm dry film thickness
  • Thinner: THINNER 91-92 
  • Application method: Brush, roller, airless or conventional spray
  • Drying times at 20 °C: Touch dry after 2 hrs, recoatable after 2 hrs, fully cured after 7 days

Further information can be found in the technical data sheet under “Downloads”.

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Accessories

Thinner for SIGMARINE 280
Thinner 91-92 for SIGMA COVER 280 and SIGMA PRIME 200.

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