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MASTIKOR — solvent-free spray polyurethane for pipes, valves and tanks
Snezhinskie Kraski

MASTIKOR — solvent-free spray polyurethane for pipes, valves and tanks

Other anticorrosion materials

The solvent-free two-component polyurethane (polyisocyanate and a polyol base in a 1 : 1 ratio by volume) is sprayed with units with separate feed and heating of the components, in one coat “wet-on-wet”. MASTIKOR protects pipeline fittings, shut-off valves, underground tanks and vessels, pipes laid underground and underwater, and over the SK-BETON primer it serves as waterproofing for concrete and reinforced concrete. The coating works from −50 to +80 °C, adhesion to steel is at least 7.0 MPa, and the material is included in the OVP register of PJSC Transneft.

Specifications

ManufacturerSnezhinskie Kraski — OOO “ZLKS”, Yekaterinburg
Typeanticorrosive material
Basetwo-component solvent-free thermosetting polyurethane: component A — polyisocyanate, component B — polyol base
Colourfrom burgundy to black (shade not standardised)
Application methodunits with separate feed of the components and heating to 70–80 °C, pressure 14–20 MPa; spraying “wet-on-wet” in one coat
Application temperaturefrom +5 to +40 °C; relative humidity max. 80 %; steel 3 °C above the dew point
Dryingtack-free max. 9 min at 20 °C; recoating no later than 24 h; full cure before service 72 h at +20 °C (96 h at +5 °C, 56 h at +40 °C)
Key propertiesVolume ratio of components: 1 : 1, Adhesion to steel by the pull-off method: at least 7.0 MPa, Service temperature: from −50 to +80 °C
Compatible materialson concrete — with the penetrating primer SK-BETON; repair — MASTIKOR REM
Shelf life24 months from the date of manufacture; storage from −40 to +40 °C
StandardsTU 20.30.12-035-51472338-2021; STO-01393674-008-2021

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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