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Description

Two-component epoxy primer for steel with excellent adhesion properties. PPG SIGMACOVER 280 is an aluminum-pigmented, polyamide-cured universal primer that adheres to steel, shop primers, galvanized steel, and non-ferrous metals.

Suitable as a sealer or adhesion primer, for use in ballast tanks, and for repair of weld seams and damage to epoxy coatings. Can be overcoated with most alkyd, chlorinated rubber, vinyl, and two-component epoxy and polyurethane coatings. Cures even at low temperatures (5 °C).

Application: The substrate must be dry, clean, and prepared according to the relevant specification (e.g., ISO-Sa2½, SSPC P-16). Application can be done by airless or conventional spraying, brush, or roller. THINNER 91-92 is used for thinning.

Technical Data

  • Substrates: Steel, galvanized steel, stainless steel, aluminum
  • Surface preparation:
    • Steel: Blasting according to ISO-Sa2½ (dry or wet), blast profile 30–75 µm
    • Galvanized steel/stainless steel: Sweep blasting according to SSPC P-16
    • Surfaces must be clean, dry, and free of contaminants
  • Topcoat: 2-component epoxy and polyurethane coatings (e.g., SIGMACOVER, SIGMADUR)
  • Coverage: approx. 11.4 m²/l at 50 µm dry film thickness
  • Thinner: THINNER 91-92 (Item No. 2590-101)
  • Application method: Brush, roller, airless or conventional spraying
  • Drying times at 20 °C: Dust dry after 2 hrs, recoatable after 2 hrs, fully cured after 7 days
  • Certification: ACQPA 24142

For more information, please refer to the technical data sheet under "Downloads".

Downloads

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

From €37.90 *