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SK-PUR primer — two-component polyurethane anticorrosive primer
Snezhinskie Kraski

SK-PUR primer — two-component polyurethane anticorrosive primer

Other anticorrosion materials

The primer coat of the SK-PUR polyurethane system: a two-component material with a polyisocyanate hardener, red-brown or grey. It is included in the OVP register of PJSC Transneft as part of the SK-PUR system for the outer surface of tanks, above-ground pipelines, structures and equipment, and recommended by PJSC NK Rosneft. With SK-PUR enamel the system is designed for categories C3, C4, C5 and 20 years, over the zinc-rich SK-TSINK for C5-M and the same period; the primer can be applied at temperatures from −10 to +40 °C.

Specifications

ManufacturerSnezhinskie Kraski — OOO “ZLKS”, Yekaterinburg
Typeanticorrosive material
Basetwo-component polyurethane; hardener — polyisocyanate solution
Colourred-brown or grey (shade not standardised)
Application methodairless spray (nozzle 0.33–0.53 mm, 16–45 MPa); air spray (nozzle 2.5–3.0 mm, 0.25–0.4 MPa); roller; brush; solvent “SK-PUR” up to 5 % (airless) / 15 % (air spray) / 10 % (roller, brush)
Application temperaturefrom −10 to +40 °C (from +5 to +40 °C recommended); relative humidity max. 80 %; surface 3 °C above the dew point
Dryingpot life at least 2 h; dust-free max. 1.5 h, tack-free max. 4 h at 20 °C; minimum recoat interval 6 h at +20 °C (168 h at −10 °C, 2 h at +40 °C); maximum interval up to 6 months; full cure 7 days (3 days with hot drying)
Compatible materialson its own or with polyurethane enamels and primer-enamels: SK-PUR enamel; over the SK-TSINK primer
Shelf life24 months from the date of manufacture; storage from −40 to +40 °C in the manufacturer’s sealed containers
StandardsTU 2312-012-51472338-2014; STO-01393674-007-2022; OTT-25.220.01-KTN-097-16

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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