High-Quality Roofing Systems Manufacturers – SWD900 spray polyurea elastomer anticorrosion waterproof protective coating – SWD
High-Quality Roofing Systems Manufacturers – SWD900 spray polyurea elastomer anticorrosion waterproof protective coating – SWD Detail:
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.
Product information
| Item | Part A | Part B |
| Appearance | Pale yellow liquid | Adjustable color |
| Specific gravity (g/m³) | 1.12 | 1.05 |
| Viscosity（cps）@25℃ | 800 | 650 |
| Solid content （%） | 100 | 100 |
| Mix ratio（by volume） | 1 | 1 |
| Gel time (second）@25℃ | 4-6 | |
| Surface dry time（second） | 15-40 | |
| Theoretical coverage (dft) | 1.08kg/㎡ film thickness:1mm | |
Typical 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)℃, 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 | 0℃-45℃ |
| Product pre-heat temperature | 65℃-70°C |
| Pipe pre-heat temperature | 55℃-65℃ |
| Relative humidity | ≤90% |
| Dew point | ≥3℃ |
Application guide
| Recommend spray machine | GRACO 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 |
Application note
Agitate part B uniform prior to application, thoroughly mix the deposited pigments, or the product’s quality will be affected.
Spray polyurea within the proper time if the substrate surface is primed. For the application method and interval time of SWD polyurea speical primer please refer to SWD company’s other brochure.
Always apply SWD900 on a small area before large application to check the mix ratio, color and spray effect are correct. For detailed information of application please refer to the latest instruction sheet of the application instructions of SWD spray polyurea series.
Product curing time
| Substrate temperature | Dry | Foot traffic | Solid dry |
| +10℃ | 30s | 45min | 7d |
| +20℃ | 23s | 15min | 6d |
| +30℃ | 17s | 5min | 5d |
Note: the curing time varies with the environment condition especially the temperature and relative humidity.
Shelf life
* From the manufacturer date and on original package sealed condition:
Part A: 10 months
Part B: 10 months
*storage temperature：+5-35°C
Packing: Part A 210kg/drum, part B 200kg/drum
Make sure the product package sealed well
* store in cool and ventilated place, avoid direct sunshine exposure.
Product health and safety information
For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Material Safety Data Sheet containing physical, ecological, toxicological and other safety related data.
Integrity declaration
SWD guarantees all technical data stated in this sheet are based on laboratory tests. Actual testing methods may vary due to different circumstances. Therefore please test and verify its applicability. SWD does not take any other responsibilities except the product quality and reserve the right of any modifications on the listed data without prior notice.
Product detail pictures:
Related Product Guide:
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