SIGMASHIELD 420

SIGMAZINC 158

Two-component, moisture-curing zinc (ethyl) silicate  primer  

PRINCIPAL CHARACTERISTICS

• Certificate for ASTM A-490 class 'B' for slip coefficient
• Complies with the compositional requirements of SSPC-Paint 20, Level 2
• Anticorrosive primer for structural steel
• Suitable as a system primer in various paint systems based on unsaponifiable binders
• Galvanic action eliminates sub-film corrosion
• Can withstand substrate temperatures from –90°C (–130°F) up to 400°C (750°F), under normal atmospheric exposure conditions
• When suitably topcoated provides excellent corrosion protection for steel substrates up to 540°C  (1000°F)
• Good low-temperature curing
• Good impact and abrasion resistance
• Must not be exposed to alkaline (more than pH 9) or acidic (less than pH 5.5) liquids

• Gray, greenish gray
• Flat

SIGMARINE 28

One-component, quick-drying, high-build multipurpose zinc phosphate   primer

PRINCIPAL CHARACTERISTICS

• Onboard maintenance primer for above-water areas
• Easy application
• Quick-drying
• Recoatable with various one and two component products
• Surface tolerant
• Good anticorrosive properties

COLOR AND GLOSS LEVEL

• Gray, redbrown, offwhite
• Flat

SIGMAGUARD 720

Two-component, reinforced high solids polyamine adduct cured epoxy   coating   PRINCIPAL CHARACTERISTICS

• Tank coating with good chemical resistance against a wide range of chemicals
• Short curing periods
• Good low-temperature curing
• Easy to clean
• Recognized corrosion control coating (Lloyd's Register)

• Light green, gray
• Gloss