Audited Supplier
900
Long Lasting Waterproofing
ISO
Polyurethane
Spray
4-6s
15-40s
Shore a 92
480%
19MPa
68kn/M
STWD
Steel Drum
210L
China
3909310000
Product Description
STWD900 is a 100% solid content aromatic polyurea elastomer. It has excellent waterproof anticorrosion and abrasion resistance property which has been widely applied in the industrial and commercial filed for the 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 without 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 anticorrosion 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 for lifelong
*Extend the service life of sprayed structure
Application scopes Anticorrosion and waterproof protection of construction, chemicals, transportation, metallurgy, electric power, aerospace, marine, shipbuilding and other fields.
Products information
| Item | Part A | Part B |
| Appearance | Pale yellow liquid | Adjustable color |
| Specific gravity (g/m³) | 1.12 | 1.05 |
| Viscosity(cps)@25ºC | 800 | 650 |
| 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 | |
Physical properties
| Item | Test standard | Result |
| Hardness (Shore A) | ASTM D-2240 | 92 |
| Elongation rate(%) | ASTM D-412 | 480 |
| Tensile strength(Mpa) | ASTM D-412 | 19 |
| Tear strength (kN/m) | ASTM D-624 | 68 |
| Impermeability (0.3Mpa/30min) | HG/T 3831-2006 | Impermeable |
| Wear resistance(750g/500r)/mg | HG/T 3831-2006 | 4.2 |
| Adhesive strength(Mpa)concrete base | HG/T 3831-2006 | 3.2 |
| Adhesive strength(Mpa) steel base | HG/T 3831-2006 | 11.3 |
| 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# die sel, 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 pre-heat temperature | 65ºC-70°C |
| Pipe pre-heat temperature | 55ºC-65ºC |
| Relative humidity | ≤90% |
| Dew point | ≥3ºC |
Application guide
| Recommend spray machine | H-XP3 Polyurea spray equipment |
| Spray gun | Fusion-air purge or mechanical purge |
| Static pressure | 2300-2500psi |
| Dynamic pressure | 2000-2200psi |
| Recommend film thickness | 1000-3000μm |
| Recoating interval | ≤6h |
