SIGMACOVER 430

SIGMAZINC 9

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

PRINCIPAL CHARACTERISTICS

• Specified for structural joints according to ASTM A325 or A490 Bolts RCSC specification, Class B
• Complies with the compositional requirements of SSPC-Paint 20, Level 1
• Anticorrosive primer for structural steel
• Suitable as a system primer in various paint systems based on unsaponifiable binders
• 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

SIGMACOVER 525

Two-component, polyamine-cured epoxy tie coat   PRINCIPAL CHARACTERISTICS

• Final coat in epoxy underwater anticorrosive systems
• Epoxy tie coat for use with PPG antifoulings as specified
• Excellent water resistance
• Good abrasion- and impact resistance

• Black, gray
• Flat