SWD9512 petrochemical heavy-duty special polyurea anti-corrosion protective coating
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 surfaces without sagging.
*Dense coating seamless, 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 properties, such as acids, alkalis, salts, etc.
*Excellent waterproof performance
*Good shock absorption performance
*Excellent temperature variation resistance stability
*Fast cure, application site back to service quickly
*Excellent durability to reduce lifelong maintenance cost
*Extend service life of the sprayed structure
Application scopes
Petrochemical industry tanks, cofferdam, towers, wash tank, pipelines, sewage ponds and other facilities of corrosion protection.
Product information
| Item | A | B |
| Appearance | 窗体顶端
Pale yellow liquid |
Adjustable color |
| Specific gravity (g/m³) | 1.13 | 1.04 |
| Viscosity（cps）@25℃ | 720 | 570 |
| Solid content （%） | 100 | 100 |
| Mixing ratio（volume ratio） | 1 | 1 |
| Gel time(second）@25℃ | 3-5 | |
| Dry time（second） | 10-20 | |
| Theoretical Coverage (dft) | 1.08kg/㎡ film thickness:1mm | |
Typical physical properties
| Items | ASTM D-2240 | 62 |
| Hardness (Shore D) | ASTM D-412 | 70 |
| Elongation rate (%) | ASTM D-412 | 23 |
| Tensile strength (Mpa) | ASTM D-624 | 70 |
| Tear strength (N/km) | HG/T 3831-2006 | Impermeable |
| Impermeability (0.3Mpa/30min) | HG/T 3831-2006 | 4.5 |
| Wear resistance (750g/500r) /mg | HG/T 3831-2006 | 3.3 |
| Adhesive strength（Mpa）concrete base | HG/T 3831-2006 | 12 |
| Adhesive strength（Mpa) steel base | GB/T 6750-2007 | 1.02 |
| Density（g/cm³） | HG/T 3831-2006 | ≤15mm |
| Cathodic disbondment [1.5v,(65±5)℃，48h] | ASTM D-2240 | 62 |
Chemical resistance
| Environment temperature | 0℃-45℃ |
| Product spray heating temperature | 65℃-70°C |
| Pipe heating temperature | 55℃-65℃ |
| Relative humidity | ≤80% |
| Dew point | ≥3℃ |
Product application environment
| Recommend spray machine | GRACO H-XP3 Polyurea spray equipment |
| Spray gun | Air or machine self-cleaning coatings for spray gun |
| Static pressure | 2300-2500psi |
| Dynamic pressure | 2000-2200psi |
| Recommend film thickness | 1000-3000μm |
| Recoating interval | ≤6h |
Product 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’ 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 companies’ other brochure.
Always apply SWD951 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 cure time
| Substrate temperature | Dry | Walking intensity | complete solidify |
| +10℃ | 18s | 45min | 7d |
| +20℃ | 13s | 15min | 6d |
| +30℃ | 10s | 5min | 5d |
Note: the curing time varies with the environment condition especially the temperature and relative humidity.
Shelf life
| Substrate temperature | Dry | Walking intensity | complete solidify |
| +10℃ | 18s | 45min | 7d |
| +20℃ | 13s | 15min | 6d |
| +30℃ | 10s | 5min | 5d |
Note: the curing time varies with the environment condition especially the temperature and relative humidity.
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 guarantee 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.
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