| Customization: | Available |
|---|---|
| Color: | Black |
| Appearance: | Liquid |
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STWD9009 high-speed railway roadbed special polyurea is 100% solid content aromatic polyurea elastomer. It has excellent waterproof, anti-corrosion, anti-aging properties, passed the quality inspection of the State Ministry of Railways, it has been successfully applied in domestic high-speed railway construction project.
Product features and advantages
*Solvent free, 100% solid content, safe, environmentally friendly and odor free.
*Rapid cure, can be sprayed forming on any bent, slope and vertical surfaces, no sagging.
*Dense coating, seamless, with good flexibility and adhesive strength
*Excellent impact resistance, abrasion resistance
*Excellent corrosion resistance and chemical resistance to acids, alkali, salts etc.
*Excellent waterproof performance and anti-aging.
*Good shock absorbing performance
*Excellent resistance to temperature variation
*Fast cure, application site back to service quickly
*Excellent durability to reduce maintenance cost of service life
*Extend the service life of sprayed structure
Product Applications
Waterproof anticorrosion protection of high-speed railways and other traffic roadbeds.
Products information
| Item | A | B |
| Appearance | Pale yellow liquid | Adjustable color |
| Specific gravity (g/m³) | 1.12 | 1.03 |
| Viscosity(cps)@25ºC | 810 | 660 |
| Solid content (%) | 100 | 100 |
| Mix ratio(by volume) | 1 | 1 |
| Gel time(second)@25ºC | 4-6 | |
| Surface dry time(second) | 15-40 | |
| Theoretical Coverage(dft) | 1.08kg/m2 Film thickness 1mm | |
| Item | Test standard | Result |
| Hardness (Shore A) | ASTM D-2240 | 90 |
| Elongation rate(%) | ASTM D-412 | 480 |
| Tensile strength(Mpa) | ASTM D-412 | 19 |
| Tear strength (N/km) | ASTM D-624 | 69 |
| Impermeability(0.3Mpa/30min) | HG/T 3831-2006 | impermeable |
| Wearable(750g/500r)/mg | HG/T 3831-2006 | 4.1 |
| Adhesive strength(Mpa)concrete base | HG/T 3831-2006 | 3.4 |
| Adhesive strength(Mpa) steel base | HG/T 3831-2006 | 11.5 |
| Density(g/cm³) | GB/T 6750-2007 | 1.05 |
| Cathodic disbondment [1.5v,(65±5)ºC,48h] | HG/T 3831-2006 | ≤15mm |
| Acid resistance 10%H2SO4 or 10%HCI,30d | No rust, no bubbles, no peel off |
| Alkali resistance 10% NaOH, 30d | No rust, no bubbles, no peel off |
| Salt resistance 30g/L,30d | No rust, no bubbles, no peel off |
| Salt spray resistance, 2000h | No rust, no bubbles, no peel off |
| Oil resistance 0# di esel, crude,30d | No rust, no bubbles, no peel off |
| (For reference: the above data is acquired based on GB / T9274-1988 test standard. Pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data) | |
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