SigmaZinc 158

Two component moisture curing inorganic zinc (ethyl) silicate primer (powder).

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

Colour and Gloss Levels

• Gray, greenish gray • Flat