Epoxies & Protective Coating
MC-Epo Zinc 21
Organic Zinc Rich Epoxy
MC-Epo Zinc 21 is a two- pack zinc rich epoxy primer and coating .
| Colour | Dark grey |
|---|---|
| Specific gravity @ 25°C | 1.60 g/cm³ after mixing |
| Solids by volume | 80% ± 2 |
| Gloss | Semi-gloss |
| Flexibility | Good |
| Recommended dry-film thickness | 50-75 µm |
| Total zinc in dry film | 70% ± 2 by weight |
| Pot life @ 20°C | 3 hours; reduced at higher temperature |
| Packaging | 5 kg A + 1 kg B; or 20 kg A + 4 kg B |
Description
MC-Epo Zinc 21 is a two-pack zinc-rich epoxy primer and coating.
Where to use
Blast-cleaned steel for corrosion protection within MCT protective coating systems. Protection of steel reinforcement in concrete.
Application data
Application by airless spray, brush or roller. Guiding airless pressure at nozzle: 2100 psi. Nozzle tip: 0.018-0.023 in. Spray angle: 30°-75°. Thinner / cleaner: MC-Thinner 02.
Drying time
Substrate Surface dry Cured Minimum recoat 10°C 8 hours 14 days 19 hours 25°C 6 hours 9 days 10 hours 35°C 4 hours 7 days 6 hours
Surface preparation
The surface must be clean and dry. Blast clean steel to Sa 2½. During application, substrate temperature should be at least 10°C and at least 3°C above the air dew point.
Storage & handling
Keep containers tightly closed in a cool, dry place. Stir components thoroughly for 3-5 minutes before use.
Packaging
5 kg component A + 1 kg component B; or 20 kg component A + 4 kg component B.
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