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Wetisol Spray-300 — polyurea for waterproofing and floors
Wetisol (INGRI)

Wetisol Spray-300 — polyurea for waterproofing and floors

Wetisol Spray-300 is based on a polycarbamide free of solvents and volatile organic compounds, which is sprayed hot with a two-component high-pressure reactor. The membrane protects concrete, stone and metal structures, can be applied over bituminous materials, asphalt concrete and polyurethane foam, and besides waterproofing is suitable for protective polymer floor coatings. Tensile strength at break is at least 21.0 MPa, elongation 250–350%, Taber abrasion resistance no more than 28 mg. The membrane is in service from −60 to +90 °C and withstands +130 °C for short periods.

Specifications

ManufacturerWetisol (INGRI) — OOO “Ingri”
Typepolyurea
Usefoundations and basements, tanks and pools, roofs, tunnels and metro, bridge structures, joints and abutments, hydraulic structures and dams
Basetwo-component material based on polycarbamides (polyurea) for hot spray application; contains no volatile organic compounds or solvents
Colourthe unpigmented material is tinted with specialised pigment pastes at no more than 2% of the weight of comp. A; under UV exposure the colour gradually changes shade
Packagingkit A+B 40 kg and 435 kg
Application methodprotection and waterproofing of concrete, stone and metal structures, membrane on non-rigid substrates (bituminous roll materials, asphalt concrete, polyurethane foam); hot spraying with a two-component high-pressure reactor (e.g. ZOGEL ZS-7H240, ZS-12H240): feed hoses and components +70…+80 °C, preheating +30…+40 °C, pressure at least 150 bar (150–210 bar recommended), A:B = 1:1 by volume; homogenise the components before work (cans — mixer up to 500 rpm for 0.5–1.5 min, drums — drum tumbler or stirrer for 5–7 min); trial spraying on 1 m² with a cut-section check; concrete — abrasive treatment with vacuum dust removal, repair and priming with WETISOL S-CP (filler S-CP : quartz sand 1:1–2, then 1:3–4 by weight); metal — abrasive blast cleaning to degree 2 per GOST 9.402 / Sa 2½ per ISO 8501-1, Rz > 60 µm, salt and pH control, WETISOL S-MP1 or S-MP2 primer (application without primer is permitted after an adhesion test); tiles, stone — shot or sand blasting; non-rigid and bituminous substrates, asphalt concrete — WETISOL S-MP1 or SprayFoam-30/50; over WETISOL SprayFoam-30/50 rigid foam — without primer; spraying no later than 1–1.5 days after priming; substrate dense and even, without puddles or darkening from moisture, moisture max 5.0 wt. %; flushing of equipment with WETISOL Clean; to be applied by qualified specialists only; over old polyurea — remove delaminated areas, grind, remove dust, degrease (acetone), apply WETISOL S-MP1; also protective polymer floor coatings
Application temperaturespraying of Spray-300 onto the prepared surface from −20 °C to +40 °C; primers: WETISOL S-CP +10…+30 °C, S-MP1 −10…+30 °C, S-MP2 −12…+50 °C; over SprayFoam-30/50 +10…+30 °C; substrate 3 °C above the dew point; relative air humidity max 80%
Curinggelation 3–5 s; light load after 30 min; full cure after 7 days; next coat — immediately after the previous one, but no later than 48 h (at +20±2 °C, 60±5%)
Key propertiesdynamic viscosity at +23 °C: comp. A 400–600 mPa·s, comp. B 600–1,300 mPa·s (GOST 25271); density of the cured composition 1.12±0.1 kg/dm³ (GOST 15139); Shore D hardness (7 days, +23 °C) at least 40 (GOST 24621); Taber abrasion resistance (CS10/1,000 g/1,000 rev) max 28 mg; relative elongation at break 250–350% (GOST 11262); ultimate tensile strength at break at least 21.0 MPa (GOST 11262); adhesion to concrete at least 2.5 MPa, failure in the concrete (GOST 28574); membrane watertightness (S=2 mm, 24 h) at least 2.0 kgf/cm² (GOST 2678); service temperature from −60 to +90 °C (short-term up to +130 °C)
Layer thicknessdesign membrane thickness 2.0 mm
Consumption2.2 kg/m² for a membrane with a design thickness of 2.0 mm (for reference); over SprayFoam rigid foam (20–25 mm, 1.0 kg/m²) — also 2.2 kg/m²; primers: S-CP 0.35 kg/m² (filler 0.50 kg/m² + sand 0.75 kg/m²), S-MP1 0.15 kg/m², S-MP2 0.40 kg/m²
Shelf life6 months from the date of manufacture in unopened original containers at +5…+25 °C; transport at −10…+35 °C for no more than 7 days
StandardsTU-5775-020-94613022-2014 with amendment No. 1

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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Two-component epoxy primer for concrete and brick under Wetisol Spray sprayed polyurea; adhesion to concrete over 4.0 MPa.

Price on request