Product Description
STWD9516 is a 100% solid content aromatic rigid polyurea elastomer. It can withstand the corrosion from extreme cold & hot weather and soil rust in different climates. With excellent comprehensive physical properties, stable anticorrosion, temperature resistance and weather resistance property, it has been widely applied in the buried pipelines and oil gas pipes field at home and abroad.
Product features and advantages.
*Solvent free, 100% solids, safe, environmentally friendly, odor free.
*Rapid cure, can be sprayed forming on any bent, slope and vertical surface without sagging.
*the coating film is dense, seamless, good flexibility and high adhesive strength
*Excellent impact resistance and abrasion resistance
*Excellent anticorrosion and resistance to chemical media such as acid, alkali, salt and others
*Excellent resistance to microorganisms and plant roots erosion
*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
Anticorrosion protection of the buried pipeline of gas, petrochemical and other field.
Products information
| Project |
Part A |
Part B |
| Appearance |
Pale yellow liquid |
Adjustable color |
| Specific gravity (g/m³) |
1.13 |
1.04 |
| Viscosity (cps)@25ºC |
250 |
580 |
| Solid content (%) |
100 |
100 |
| Mix ratio (by volume) |
1 |
1 |
| Gel time (second) @25ºC |
3-5 |
| Surface dry time (second) |
10-20 |
| Theoretical Coverage (dry film thickness) |
1.03kg/m2
film thickness:1mm |
Physical properties
| Project |
Test standard |
Result |
| Hardness (Shore D) |
ASTM D-2240 |
62 |
| Elongation at break (%) |
ASTM D-412 |
65 |
| Tensile strength (Mpa) |
ASTM D-412 |
24 |
| Tear strength (N/km) |
ASTM D-624 |
69 |
| Penetrate resistance (0.3Mpa/30min) |
HG/T 3831-2006 |
Impermeable |
| Wear resistance (750g/500r)/mg |
HG/T 3831-2006 |
4.3 |
| Adhesion (Mpa) concrete substrates |
HG/T 3831-2006 |
3.2 |
| Adhesion (Mpa) steel substrate |
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 oil, oil, 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 detail data) |
Application environment
| Environment temperature |
0ºC-45ºC |
| Products heated temperature |
65ºC-70°C |
| Hoses heated temperature |
55ºC-65ºC |
| Relative humidity |
≤75% |
| Dew point |
≥3ºC |
Audited Supplier 
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