The contents
- The advantages of polymer paint
- Paint for outdoor use
- Paint for interior use
- How to choose the right polymer paint
- Equipment
- The technology of drawing metal
Polymer paint is a powder, composed of resins (polymers), pigments, hardeners, plasticizers and other various additives affecting the flowability, spreading, adhesion.
The advantages of polymer dye ↑
- security;
- environmentally friendly;
- durability and abrasion resistance;
- efficiency;
- dries quickly;
- a variety of colors;
- easy to use;
- versatility.
The paint is applied on wood (MDF), ceramics, plastic, concrete, metal, polymer clay and even glass.
The disadvantages include the fact that the polymer dye powder is more expensive than ordinary oil or acrylic. Besides it cannot be applied by brush or roller as you need special equipment.
Paint for outdoor applications ↑
For exterior use polyester and polyurethane coloring tools.
Polyester is resistant to exposure to the atmosphere. This is used a polymer paint for facade, window profiles, roofing, car parts, furniture and so on.
Polyurethane has a water-resistant properties, resistant to oils, solvents. While it has excellent decorative effect and brilliance. Use it on parts that are constantly exposed to friction and to the equipment under chemical influence. It can also be used as a ground for applying other coating.
Paint for interior use ↑
For internal work use of epoxy and epoxy-polyester powder coating.
Polymer of epoxy paint elastic, impact resistant, resistant to solvents, alkalis and acids. However, it can turn yellow over time, but corrosion resistance will not deteriorate.
Epoxy polyester trim items, as this powder paint is ideal for decorating polymer. It is not yellow, it gives the surface of product is hard and flexible coating. Such powder coatings are ideal for metal with polymer coating, that is for refrigerators, washing machines and other.
How to choose the right polymer paint ↑
First of all it depends on the products that will be painted. For example, paint for metal is chosen depending on where it’s used indoors or outside and what effects exposed.
Equipment ↑
It requires special equipment, such as:
- the spray gun;
- a spray booth;
oven.
oven.
A spray booth will not allow the powder to enter the environment, thanks to which it will be collected and reused.
The technology of drawing the metal ↑
Now we’ll look at how to paint polymer paint metal.
Application technology is divided into several stages:
- Surface preparation.
- Staining.
- Polymerization.
Preparation of treated surface ↑
First product to be cleaned. Clean the surface in two ways:
- mechanical cleaning;
- chemical cleaning.
Mechanical cleaning is the process of cleansing the surface with wire brushes and sanding discs, and abrasive method. At high speed under the pressure of small particles (shot, sand) into the surface chips and rusty bits, mill scale and other contamination. This method significantly improves the adhesion of the coating.
Chemical cleaning is performed using various acids (hydrochloric, sulfuric, nitric, phosphoric). This cleaning is also called etching. This cleaning method is easier to apply, but after that it should wash clean the surface of the solution.
After any clean degreased surface special detergent to the degree of adhesion was as high as possible.
The last stage of preparation, passivation, that is, the surface compounds of sodium nitrate and chromium. Passivation will slow down or completely stop the corrosion of the metal.
After all the stages, the surface must be completely dry.
Staining ↑
After drying, the coated product is transferred to a cell deposition.
One of the most common ways of painting the polymer coating is considered to be electrostatic spraying. That is, in the earthed workpiece with a gun (applicator, spray bottle) is applied electro-statically charged powder. In the end, it sticks to the surface of the material.
Polymerization ↑
After painting the product is sent to a heat chamber where it will heat up to a temperature of from 140 to 200 . Under the influence of temperature the polymer melts and forms a film. The process lasts from 10 to 30 minutes.
After completion of the polymerization process the product is allowed to cool, after which it is ready for further operation.
How to wash a polymer paint ↑
To wash off this coating can be a solvent for the polymer paint.
A wash and polymer paint is performed at a temperature from +8 to +25 . The liquid is applied evenly and hold up to cracking and blistering of the coating (from 3 to 15 minutes).
You can apply and immersion method. To do this, a tool for removing polymer paint poured into the container and immersed in it product.
Polymer paint for concrete ↑
Paint on concrete for exterior applications ↑
Polymer paint for concrete for exterior use needs to meet the following requirements:
- water resistant;
- resistance to weather and corrosion protection;
- resistance to light;
- environmentally friendly;
- wear resistance;
- saturation.
Liquid paint with polymeric coating in this case have a great advantage, as they are frost-resistant.
It dries quickly, is resistant to chemical attack, high impact. A polymer paint applied to concrete with a roller, brush or sprayer.
Polymer coating for concrete floors ↑
Requirements for polymeric floor paint are the same as those for external use. The coating must also protect the concrete from damage and moisture.
Polymer coating of crushed stone ↑
Polymer paints are used for painting crushed stone, which gives it a more pleasant and aesthetic appearance. Moreover, the polymer coating is environmentally friendly and resistant to all kinds of influences.
Colored crushed stone use in landscape design: for decoration of flower beds, sidewalks, paths and so on.
Crushed with such a coating retains its appearance, allowing you to save on the decoration of any area. Besides, if necessary it is possible to collect and use elsewhere or even in other purposes, such as, construction.
All of the above can be added to the polymer coloring tools universal. They have a huge service life (20 years), resistant to all types of influences and tensions, even if applied only one layer. Requirements for dyeing, in principle, the same for any coverage. The surface must be completely clean, degreased and smooth. Only then the surface will look exactly as claimed by the manufacturer.
