SIGMATHERM 175

SIGMATHERM 540

One-component, heat-resistant, moisture-curing silicone  aluminum   PRINCIPAL CHARACTERISTICS

• Heat-resistant up to 540°C (1000°F) on steel, grit-blasted to SSPC SP10/NACE 2 (ISO-Sa2½)
• Heat-resistant up to 400°C (750°F) on rusted steel, power tool cleaned to ISO-St3
• To be used for the internal and external protection of steel surfaces
• No heat cure necessary between coats
• Excellent resistance against weathering
• Also suitable on top of zinc silicate primer
• A minimum drying time of 3 days at 20°C (68°F) should be allowed before exposure to heat
• Complies with NACE SP0198 for austenitic stainless steels and carbon steels under thermal insulation

• Aluminum and black
• Eggshell

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

SIGMAGUARD 750

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

PRINCIPAL CHARACTERISTICS

• Tank coating with excellent solvent and chemical resistance
• To be used as tank coating or 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
• High zinc content resulting in excellent corrosion protection
• Good impact and abrasion resistance
• Certificate for ASTM A-490 class 'B' for slip coefficient
• Recognized corrosion control coating (Lloyd's register)
• Must not be used for immersion in alkaline (more than pH 9) or acidic (less than pH 5.5) liquids
• Complies with SSPC-Paint 20 level 2 and ISO 12944.5