Product Description
STWD9511 is a 100% solid content aromatic polyurethane elastomer. It can adapt to the complex geological structure layer, the hot & cold climate zone, the soil erosion in different climates. It obtained the attention of relevant engineering and construction unit with its excellent physical property and stable wearable performance, which has been widely applied on the buried pipelines.
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.
*Strong adhesive strength, fast bonding well on steel, concrete, wood, glass fibers and other substrates.
*Excellent impact resistance, abrasion resistance
*Excellent corrosion resistance and chemical resistance to acids, alkali, salts etc.
*Excellent waterproof performance
*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
Petroleum chemical industry, gas, municipal, urban water supply and drainage, and other fields of buried pipeline.
Products information
| Item |
A |
B |
| Appearance |
Light yellow |
Adjustable |
| Specific gravity (g/m³) |
1.15 |
1.03 |
| Viscosity(cps)@25ºC |
1100 |
1000 |
| Solid content (%) |
100 |
100 |
| Mixing ratio by volume |
1 |
1 |
| Gel time(second)@25ºC |
25-35 |
| Theoretical Coverage (dft) |
1.05kg/m2 film thickness:1mm |
Products information
| Items |
Test standard |
Result |
| Hardness (Shore D) |
ASTM D-2240 |
70 |
| Elongation rate(%) |
ASTM D-412 |
20 |
| Tensile strength(Mpa) |
ASTM D-412 |
25 |
| Tear strength (N/km) |
ASTM D-624 |
78 |
| Impermeability(0.3Mpa/30min) |
HG/T 3831-2006 |
impermeable |
| Wear resistance (750g/500r)/mg |
HG/T 3831-2006 |
15 |
| Adhesive strength(Mpa)concrete base |
HG/T 3831-2006 |
3.6 |
| Adhesive strength(Mpa) steel base |
HG/T 3831-2006 |
12 |
| Density(g/cm³) |
GB/T 6750-2007 |
1.02 |
| Cathodic disbondment [1.5v,(65±5)ºC,48h] |
HG/T 3831-2006 |
≤15mm |
Chemical resistance
| 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# diesel, 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) |
Application environment
| Environment temperature |
0ºC-45ºC |
| Product spray heating temperature |
65ºC-70°C |
| Pipe heating temperature |
55ºC-65ºC |
| Relative humidity |
≤80% |
| Dew point |
≥3ºC |
Application guide
| Recommend spray machine |
H-XP3 Polyurea spray equipment |
| Spray gun |
Air or machine self-cleaning coatings for spray gun |
| Static pressure |
2300-2500psi |
| Dynamic pressure |
2000-2200psi |
| Recommend film thickness |
1000-3000μm |
| Recoating interval |
≤6h |
Audited Supplier 
){kind=link}
){kind=link}