Description of solvent-free sanitary epoxy primer
Its properties include:
- Very good corrosion resistance
- High chemical resistance
- High abrasion resistance and hardness
- Excellent water and moisture resistance
- Good adhesion to steel surfaces
- Applicable with thicknesses over 200 microns
- Surface impermeability
- Designed for health systems
- Shine and excellent appearance
This coating is used alone as the final layer of sanitary epoxy systems and drinking water to protect the surfaces against corrosion and microbes. Due to the high solid percentage of paint with a spraying step, thicknesses up to 500 microns can be achieved. Its uses include:
- Drinking water tanks
- Water transfer pipes
- Sanitary equipment
- Industrial Drug Making Machines
- Food Equipment
- Food storage cells
- Sanitary ware containers
- Clean hall and operating room flooring
| فام td>
|| White (other shades suggested subject to conditions)
| Volume solid percentage
| Storage time
|| one year
| Recommended thickness
|| 500 to 200 microns
|| 05, 0 ± 1.53
| 50 micron theory cover
|| 1.5 square meters per kilogram
| Theoretical coverage of 100 microns per liter
|| 6 m2 / td>
Drying and coating conditions
| Drying time
|| Next layer application time
|| Complete hardening
| 25 ° C
|| 4 hours
|| 24 hours
|| 7 days
|| 12 to 24 hours
|| 6 days
|| Other factors such as the thickness of the color film and temperature changes, etc. affect the drying time.
Terms and equipment of application
|| TEP (Epoxy Thinner)
| Application temperature
|| 5 to 50 degrees Celsius
| Maximum relative humidity
| Surface temperature
|| 3 to 5 degrees above the dew point
| Application method
|| Air spray. Airless spray, brush and roll
| useful life of paint and hardener mixture
|| 1 hour at 20 ° C
| Application conditions
|| Ordinary spray
|| Airless spray
| Percent solvent
| head pressure
|| 4-6 times
|| 120-160 times
| Nozzle head diameter
|| 1.6 to 1.8 mm
|| 0.35 to 0.5 mm
| hand distance
|| 40-60 cm
Painted surfaces – These surfaces must be completely clean and free of any grease and other contaminants. Before painting, the surface should be completely dry and if a long time has passed since the application of the undercoat, a suitable roughness should be created by soft sanding on the surface.
Steel surfaces – Wash the steel surface with a suitable solvent to remove grease, salt and any other contaminants.
De-rust and create profiles on surfaces by various methods such as sand blasting up to 2.5 degrees Swedish or by mechanical tools up to ISO-ST3 degree.
In metal structures and welded points and corners should be smooth and polished and free of any appendages and sharpness. After de-rusting and creating a profile, remove the particles from the preparation and other contaminants from the surface with a pressure of air free of moisture and grease and with the method of vacuum and thoroughly clean.
Note that the application of the first layer (primer) should be done no later than two hours after preparation.
Concrete surfaces – If the concrete is fresh, it must be 28 days after the concrete has been applied (the concrete surface is completely dry). If the concrete is old, the surface must be washed with fresh water to remove contaminants such as salts, grease, dust and Dust, loose and unstable particles, etc. from its surface
If necessary, especially in the case of old concretes, it is recommended to use alkaline degreasers to remove all contaminants and to repeat the washing operation with water after degreasing. In order to create a suitable roughness, both chemical and mechanical methods can be used. The mechanical method is created by the mechanical power tool suitable roughness on the surface and finally by normal air pressure from moisture and grease or by surface vacuum method of all particles left and ready to paint. In the chemical method surface roughness by acids Suitable for concrete (acid pickling).
Finally, the surface is washed with fresh water and after drying, it is ready to be painted.
Aluminum surfaces – first the desired surface is sandblasted or at least suite blasted, and then the contaminants are removed and painted in small thicknesses (about 50 microns) and the desired thickness is achieved by applying more layers.
After preparing the surface and choosing how to paint, first stir the paint to mix thoroughly, making sure that no sediment remains at the bottom of the container. Then add the appropriate hardener to the paint in the recommended ratio and mix the mixture thoroughly until smooth.
Add the appropriate amount of epoxy thinner (the amount varies depending on the application method) to the mixture and stir until the paint is applicable, then apply the paint with a suitable tool.
Storage and transportation
The above paint is flammable, so it should be sealed in a sealed container and kept away from moisture, fire, and strong currents of electricity and incendiary materials.
It is recommended to consume the contents of the container as soon as possible after opening the lid.
Suitable storage temperature is 20 degrees Celsius.
When applying paint, use safety equipment such as masks, goggles, cape and proper ventilation.
In case of contact with skin, clean the area with a cloth soaked in a suitable solvent and wash with plenty of warm water and soap.
Avoid breathing paint vapors, especially during application.