TSVES — two-component ethyl silicate zinc-rich primer
Ethyl silicate zinc primer for bridges, tanks and marine structures that also serves as a friction coating for faying surfaces.

EVOPIPE-650 is a new development with TU issued in 2026: a two-component air-drying coating on a multipolymer matrix (Inert Multipolymeric Matrix per NACE SP 0198). It is intended for the external surface of above-ground pipelines and equipment, including under thermal insulation, where it protects against corrosion during wet/dry cycles; it is not used for burial in soil. The service temperature is from −196 to +650 °C, in a system with TSVES-MO — up to 540 °C. It is applied on its own over carbon, heat-resistant and stainless steel or as a topcoat over TSVES-MO.
| Manufacturer | VMP — AO “NPKh VMP”, Yekaterinburg |
|---|---|
| Type | heat-resistant coatings |
| Base | multipolymer matrix (Inert Multipolymeric Matrix per NACE SP 0198); two-component, air-drying |
| Colour | silver-grey |
| Packaging | part A and part B in metal pails and cans (depending on the kit weight) |
| Application method | airless spray without thinning (nozzle 0.013–0.017″, 10–15 MPa), air spray, brush, roller (SOLV-ES up to 5 % by weight); two coats wet-on-wet with an interval of 15–25 min at 20 °C; A:B 54:1 by weight |
| Application temperature | air from +10 to +40 °C, relative humidity 20–90 %; surface at least 3 °C above the dew point; material not below +15 °C |
| Drying | to degree 3 — no more than 3 h at 23 °C; second coat — no later than 14 days; over TSVES-MO — not earlier than 20 h at 20 °C (with a drying accelerator — 6 h); before service — 3–5 days without insulation, 7–10 days under thermal insulation |
| Key properties | service temperature — from −196 to +650 °C, heat resistance: stand-alone coating — up to 650 °C, in a system with TSVES-MO — up to 540 °C, non-volatile matter by weight — 66±5 %, volume solids — 53±2 %, density — 1.35–1.50 g/cm³, pot life at 20 °C — at least 8 h (at 40 °C — 4 h) |
| Compatible materials | stand-alone coating over carbon, heat-resistant and stainless steel; topcoat over TSVES-MO |
| Shelf life | 12 months from the date of manufacture |
| Standards | TU 20.30.12-165-12288779-2026; NACE SP 0198 (Inert Multipolymeric Matrix) |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
Ethyl silicate zinc primer for bridges, tanks and marine structures that also serves as a friction coating for faying surfaces.
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