SIGMASHIELD 460

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

SIGMATHERM 500

Heat resistant modified alkyd aluminium  coating   PRINCIPAL CHARACTERISTICS

• To be used for the internal and external protection of steel surfaces
• Heat-resistant up to 500°C (930°F); a minimum of 200°C (390°F) is necessary to fuse the aluminum coating
• A minimum drying time of 3 days at 20°C (68°F) should be allowed before exposure to heat
• Application by spray improves the appearance

• Aluminum
• Eggshell

SIGMACOVER 430

Two-component, high-build, micaceous iron oxide-pigmented, polyamide-cured recoatable epoxy coating   PRINCIPAL CHARACTERISTICS

• General-purpose epoxy buildcoat or finish in protective coating systems, for steel and concrete structures exposed to atmospheric land or marine conditions
• Good durability
• Good flow and wetting properties
• Easy application by airless spray
• Good cure at temperatures down to -5⁰C

• Light and dark gray
• Eggshell