Sigmacover 350 is a two-component, high build polyamide cured epoxy primer/coating.
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Sigmacover 350 (Formally SigmaCover 2AL and Amerlock 2AL) has been developed by PPG as a surface tolerant primer or top coat predominately for marine applications requiring good impact and abrasion resistance, as well as other harsh environments that require protective coatings. Sigmacover 350 is a two-component epoxy coating that is suitable for use on the topside of ships and boats. This will include the superstructure decks and cargo holds.
Sigmacover 350 can be applied to steel that has been blast cleaned to ISO-Sa21⁄2 for excellent corrosion protection, a blasting profile of 40 -70 microns (1.6 – 2.8 mils) is required. In addition, coated steel can be hydrojetted to VIS WJ2/3L and existing sound epoxy systems and most sound alkyd coating system can be coated providing they have been sufficiently roughened.
Sigmacover 350 offers an unlimited overcoating interval providing the surface is free from chalking and other contaminations. In cases of exposure to direct sunlight or when the surface is contaminated, it is recommended that the surface be cleaned and roughened to produce a good key this will ensure good adhesion of the subsequent coating.
Usage & Highlights
- Surface tolerant primer/coating for topsides, decks, superstructures and cargo holds
- Good impact and abrasion resistance
- Compatible with various aged coatings
- Excellent corrosion resistance
- Resistant to splash and spillage of a wide range of chemicals
- Cures at temperatures down to -5°C (23°F)
- Smooth film & easy to clean
- Fast curing
- Semi-gloss finish
- Tintable to many colours
- For Use On
- Application Method
- Brush, Roller & Spray
- Recoat Time (20°c)
Data Sheets Available for Download:
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