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WETISOL Spray 500 XT — polyurea for bridges and tunnels
Wetisol (INGRI)

WETISOL Spray 500 XT — polyurea for bridges and tunnels

Polyurea

The main purpose of WETISOL Spray 500 XT is waterproofing membranes for road structures and spans of railway infrastructure, onto which hot asphalt can then be laid. The compound is also used in underground structures, including metro stations and tunnels, and early gelation in 5–8 s allows it to be applied on the slopes of bridge spans. Elongation at break is at least 350%, adhesion to concrete at least 2.5 MPa and to metal at least 5.0 MPa. Heat resistance for 2 h is not below +90 °C, and for short periods the membrane withstands +220 °C.

Specifications

ManufacturerWetisol (INGRI) — OOO “Ingri”
Typepolyurea
Usebridge structures, tunnels and metro, foundations and basements
Basetwo-component material based on polycarbamides with extended curing time and increased resistance to temperature effects, for hot spray application; contains no volatile organic compounds or solvents
Colourunder UV exposure the colour gradually changes shade
Packagingkit A+B 40 kg (metal buckets) and 440 kg (steel drums)
Application methodwaterproofing membranes for road structures and spans of railway infrastructure (hot asphalt laying permitted), underground structures, incl. metro stations and tunnels; membranes with a high grip coefficient — broadcasting mineral aggregate fr. 0.5–2.5 mm onto the freshly applied coat; early gelation allows application on slopes (bridge spans); hot spraying with a two-component high-pressure reactor with an output of at least 3.8 l/min (ZOGEL ZS-7H240, ZS-12H240 and equivalents) onto a primed surface; primers WETISOL S-MP1, S-MP2; application over WETISOL SprayFoam-30/50 is permitted; substrate dense, even, dust-free, visually dry, moisture before priming max 5.0 wt. %; homogenise the components before work; flush the reactor with WETISOL S-Clean; to be applied by qualified specialists only
Application temperaturefrom −20 °C to +50 °C onto a prepared primed surface; substrate 3 °C above the dew point
Curinggel time 5–8 s; pot life at least 120 s
Key propertiesdensity of the cured composition 1.0–1.15 g/cm³ (GOST 15139); Shore A hardness (7 days, +23 °C) at least 89 (GOST 24621); Taber abrasion resistance (H-18/1,000 g/1,000 rev) max 100 mg; relative elongation at break at least 350% (GOST 11262); tensile strength at break at least 20 MPa (GOST 11262); water absorption in 24 h max 1% (GOST 26589); adhesion: concrete at least 2.5 MPa, metal at least 5.0 MPa (GOST 28574); heat resistance for 2 h at least +90 °C, short-term +220 °C (GOST R 55409); service temperature from −60 to +90 °C (short-term up to +220 °C)
Layer thicknessrecommended at least 1.5 mm; maximum 5 mm
Consumptiontheoretically 1.1 kg/m² per 1 mm of thickness
Shelf life6 months from the date of manufacture in unopened original packaging in warehouses at +5…+25 °C
StandardsTU 20.30.22-068-94613022-2019

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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