Top-coat
It is a two-component coating composed of water-based polyurethane emulsion, functional additives, pigments and fillers, a small amount of water, etc., combined with aliphatic isocyanate curing agent.
Product Features:
● Strong covering power,excellent weather resistance,up to 15 years.
● Good decoration, using water as dispersion medium, non-toxic, tasteless, non-flammable and non-explosive.
● Good adhesion with polyurea.
● Excellent water resistance.
● Fast drying and convenient construction.
Intended use:For polyurea surface protection,it can also be used alone with primer.
Main Performance Indicators:
Performance Index | Technical indicators |
Solid Content(%) | ≥ 70 % |
Fineness(μm) | ≤50 |
Drying Time | Surface dry≤60min Hard dry24h(25℃±2) |
Construction Period | ≥4h |
Hardness(H) | ≥2H |
Low Temperature Bendability | ≤-30℃,No cracks |
Impact Resistance 100CM | Pass |
Abrasion Resistance (750g/500r)/mg CS-179 | ≤1 |
Salt tolerance 240h (3%NaCl Solution) | The paint film is in good condition, no blistering |
oil resistant 72h (120 Oil) | The paint film is in good condition, no blistering |
Alkali resistance 72h (20%NaOH Solution) | The paint film is in good condition, no blistering |
Acid resistance 48h (10%H2SO4 Solution) | The paint film is in good condition, no blistering |
Water Resistance 30 Ddays | The paint film is in good condition, no blistering |
Physical Parameters:
● Color: As customer's request.
● Weight solids: ≥70%
● Viscosity: 120±20CPS (25℃, two-component mixing)
● Specific gravity: 1.07-1.2g/cm3
● Gloss: Half Matt glossy or high glossy
● Coating film thickness: Dry film: 40-60 μm
● Theoretical coating rate: Theoretical value: 4-6 square meters/KG
Actual value: It is related to various factors such as surface treatment, external environment, construction method and so on.
Construction Parameters:
Available time:
Temperature(℃) | 5 | 10 | 20 |
Mixed use period (hrs) | 10 | 8 | 6 |
Construction Conditions:
● Ambient Temperature: 5℃-30℃, ambient humidity: ≤85%
● Substrate Temperature: It must be more than 3°C higher than the air dew point temperature, and the construction can’t be carried out in bad weather such as rain, snow and sandstorm. The drying of water-based coatings is greatly affected by ambient temperature and humidity. When the relative humidity is greater than 85%, the drying time will be extended accordingly.
Construction Method:
Airless Spray, Air Spray, Brush and Scrap Coating | |
Airless Spray(Two component) | (Recommended Use) |
Nozzle Size | 0.19-0.23 |
Outlet Pressure | 100-120kg.cm3 |
Cleaning agent/diluent: water (addition amount 3-10%)
Note: If you use airless spray or brush, roller, etc., please consult our engineers before use.
Drying time and coating interval:
Temperature | -5 | 5 | 10 | 20 | 25 |
Finger Drying | 4 | 3 | 2 | 1.5 | 1 |
Finger Pressure Drying | 24 | 12 | 6 | 4 | 2 |
Coating Interval | 24 | 12 | 6 | 4 | 2 |
The above data are for guidance only, and the actual drying time/time interval before coating can be long or short, depending on film thickness, ventilation condition, humidity, lower layer paint, early loading and unloading requirements and mechanical strength, etc.
Painting Matching:
● Applicable undercoat: polyurea primer, or matching recommended by our company.
Surface treatment:
● Rinse off salt and other water-soluble dirt with clean water.
● Remove grease with proper detergent and degreaser.
● Make sure the surface is clean and dry before construction.
● Pay attention to the coating interval with primer during construction.
Storage:
● Storage time:This product should be stored in a cool, dry and ventilated indoor warehouse, and the storage period at room temperature is 6 months.
● Storage temperature: 5°C-30°C, keep warm when storing in winter, and do not use it after freeze-thaw damage.
Packaging Specifications:
● Part A(Curing agent):1.25kg,Part B(Paint): 18.75 KG
● Weight Ration:A:B=1:15
Safety Measures:
● Avoid contact with skin and eyes.
● If the paint comes into contact with the skin, clean it with proper cleaning agent. If the paint comes into contact with eyes, rinse with plenty of water and seek medical attention immediately.
● Ensure good ventilation.
● Comply with all health and safety regulations on site.
Declarations:
The information provided in this product manual is completely based on our knowledge gained in laboratory and practice. However, as the use of products is usually beyond our control, we only guarantee the quality of the products themselves. We reserve the right to modify this manual without prior notice.
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