SIGMACOVER 620

SIGMA VIKOTE 18

High-build, aluminum pigmented chlorinated rubber  primer/sealer   PRINCIPAL CHARACTERISTICS

• Anticorrosive primer/sealer
• Excellent water resistance
• Unsaponifiable
• Resistant to well designed/controlled cathodic protection
• Fast-drying
• Can be applied at low temperatures, down to –10°C (14°F)
• Tolerates a DFT up to 150 µm (6.0 mils) at overlaps without sagging
• Compatible with antifoulings

• Gray, reddish gray
• Flat

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

SIGMASHIELD 220

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

• General-purpose primer for coating systems for steel
• Good abrasion resistance
• Outstanding sea water resistance
• Excellent corrosion resistance
• Good resistance against chemically-polluted water
• Resistant to well designed/controlled cathodic protection

• Yellow/green
• Gloss