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TSVES-MO — zinc silicate primer for hot surfaces up to +400 °C
VMP

TSVES-MO — zinc silicate primer for hot surfaces up to +400 °C

Zinc-rich primers

The fast-drying moisture-curing zinc silicate TSVES-MO is supplied as two components: zinc powder and an ethyl silicate binder. It is intended for furnaces, boilers, heated pipelines and equipment, including under thermal insulation. On its own it withstands 400 °C in air; in a system with EVOPIPE-650 — +540 °C continuously and up to +600 °C short-term; with VINIKOR-term under thermal insulation — +450 °C continuously. The zinc powder content of the coating is more than 80 % per GOST 34667.5.

Specifications

ManufacturerVMP — AO “NPKh VMP”, Yekaterinburg
Typezinc-rich primers
Baseethyl silicate binder (moisture-curing zinc silicate) with zinc powder; powder part (component A) and binder (component B); fast-drying
Colourgrey (shade not standardised), matt smooth
Packagingcomponent A — special valve bags or polyethylene bags in metal pails; component B — plastic canisters
Application methodairless spray (nozzle 0.013–0.017″, 9–12 MPa), air spray, automatic lines, brush (roller not recommended); one or several coats; thinner SOLV-ES up to 5 % (air spray — up to 10 %) by weight; filter the mixture through a 30–60 mesh sieve
Application temperatureair from +5 to +40 °C, relative humidity 30–80 % (optimum 55–80 %); surface from 0 to +40 °C and at least 3 °C above the dew point; material not below +15 °C
Dryingto degree 3 — no more than 20 min at 20 °C; next coat of TSVES-MO — after 20 min at 20 °C; maximum time unlimited
Key propertieszinc powder content of the coating — more than 80 % (GOST 34667.5), non-volatile matter by weight — 82±2 %, volume solids — 65±2 %, density — 2.20–2.70 g/cm³, heat resistance in air — 400 °C (short-term 450 °C), service at constant temperature from −60 to +600 °C (in a system), in a system with EVOPIPE-650 — +540 °C continuously, up to +600 °C short-term; with VINIKOR-term under thermal insulation — +450 °C continuously, up to +540 °C short-term, pot life at 20 °C — at least 8 h
Compatible materialsTSVES-MO on its own (up to +400 °C) or with topcoats EVOPIPE-650, VINIKOR-term; for structures without thermal insulation and under thermal insulation
Shelf lifecomponent A — 9 months, component B — 6 months from the date of manufacture
StandardsTU 20.30.12-039-12288779-2017; GOST 34667.5 (zinc powder content of the coating); approved by test centre “Rutil”, IPKhiS Frishberg

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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