SIGMATHERM 175

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 350

Heat-resistant silicone/acrylic finish   PRINCIPAL CHARACTERISTICS

• Excellent resistance against weathering
• A minimum drying time of 3 days at 20°C (68°F) should be allowed before exposure to heat
• Heat-resistant up to 350°C (660°F)
• To be used for the internal and external protection of steel surfaces
• Widely compatible with inorganic zinc  primers

• White, aluminum (other colors available on request)
• Semi-gloss

SIGMADUR 188

Two-component, aliphatic acrylic polyurethane  finish   PRINCIPAL CHARACTERISTICS

• Unlimited recoatable
• Excellent resistance to atmospheric exposure conditions
• Excellent color and gloss retention
• Non-chalking, non-yellowing
• Cures at temperatures down to -5°C (23°F)
• Tough and abrasion resistant
• Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild  chemicals
• Can be recoated even after long atmospheric exposure
• Good application properties

• White and black, colors available request
• Gloss