Product Description
STWD9005 mining equipment special polyurea is a 100% solid content aromatic polyurea elastomer. It has excellent impact resistance, anticorrosion, high wear resistance that has been applied in the processing mining spiral separators in Shanghai China, it has been widely used in the mining machinery in America, Europe and other regions as well.
Product features and advantages
*Solvent free, 100% solids, 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 anticorrosion and chemical resistance to acids, alkali and salts etc.
*Good shock absorbing performance
*Excellent resistance to temperature variation
*Fast cure, application site back to service quickly
*Excellent durability to reduce lifelong maintenance cost
*Extend the service life of sprayed structure ,,,,
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Product Applications
Wearable anticorrosion protection of coal chute, spiral separator, flotation tank, washing drum, transmission belt and other mining facilities.
Product information
| Item |
A |
B |
| Appearance |
Pale yellow liquid |
Adjustable color |
| Specific gravity (g/m³) |
1.15 |
1.06 |
| Viscosity(cps)@25ºC |
820 |
680 |
| Solid content (%) |
100 |
100 |
| Mix ratio(by volume) |
1 |
1 |
| Gel time(second)@25ºC |
8-10 |
| Surface dry time(second) |
15-40 |
| Theoretical Coverage(dft) |
1.08kg/m2Film thickness 1mm |
Physical properties
| Item |
Test standard |
Result |
| Hardness (Shore A) |
ASTM D-2240 |
92 |
| Elongation rate(%) |
ASTM D-412 |
430 |
| Tensile strength(Mpa) |
ASTM D-412 |
20 |
| Tear strength (N/km) |
ASTM D-624 |
90 |
| Impermeability(0.3Mpa/30min) |
HG/T 3831-2006 |
Impermeable |
| Wearable(750g/500r)/mg |
HG/T 3831-2006 |
4.0 |
| Adhesive strength(Mpa)concrete base |
HG/T 3831-2006 |
3.2 |
| Adhesive strength(Mpa) steel base |
HG/T 3831-2006 |
11.2 |
| Density(g/cm³) |
GB/T 6750-2007 |
1.05 |
| 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) |
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