Product Description
STWD951 is a 100% solid content aromatic spray polyurea elastomer. It is not sensitive to environment humidity and temperature during application, can fully meet the requirements of anticorrosion waterproof projects which has been widely used in the industrial and commercial field for anticorrosion waterproof protection.
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.
*High 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 the maintenance cost of lifelong
*Extend the service life of sprayed structure
Application scopes Construction, chemical, automobile manufacturing, metallurgy, electric power, marine, ship, film props, speakers and other fields of anticorrosion and waterproof protection.
Products information
| Item |
A |
B |
| Appearance |
Pale yellow liquid |
Adjustable color |
| Specific gravity (g/m³) |
1.13 |
1.04 |
| Viscosity(cps)@25ºC |
720 |
570 |
| Solid content (%) |
100 |
100 |
| Mixing ratio(volume ratio) |
1 |
1 |
| Gel time(second)@25ºC |
3-5 |
| Dry time(second) |
10-20 |
| Theoretical Coverage (dft) |
1.08kg/m2 film thickness:1mm |
Physical properties of products
| Items |
Test standard |
Result |
| Hardness (Shore A) |
ASTM D-2240 |
88 |
| Elongation rate(%) |
ASTM D-412 |
400 |
| Tensile strength(Mpa) |
ASTM D-412 |
18 |
| Tear strength (kN/m) |
ASTM D-624 |
52 |
| Impermeability(0.3Mpa/30min) |
HG/T 3831-2006 |
Impermeable |
| Wear resistance (750g/500r)/mg |
HG/T 3831-2006 |
4.8 |
| Adhesive strength(Mpa)concrete base |
HG/T 3831-2006 |
3.1 |
| Adhesive strength(Mpa) steel base |
HG/T 3831-2006 |
11 |
| 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) |
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