Qazvin province, as one of the country's major industrial hubs, hosts thousands of factories and production workshops that work in the field of manufacturing metal parts, machines, tanks and huge structures. One of the main challenges in this industry is preserving metals against corrosion, rust and environmental factors. Meanwhile, painting of industrial and metal parts in Qazvin is known as a vital step in the production and maintenance process. This article was compiled with the aim of a detailed examination of the industrial painting process, the importance of surface preparation and the introduction of the superior services of the Sadi Brothers Sandblasting collection.
The importance of industrial coloring in Qazvin industries
Industrial painting is more than a simple appearance change. In industrial environments, paint acts as the first and most important line of defense for metal against oxidation. Considering the weather conditions and the presence of industrial pollutants in settlements such as Caspian, Lea and Alborz industrial settlements, the need to paint industrial and metal parts in Qazvin is felt more than ever.
Metals without proper coating are quickly affected by humidity and chemicals and suffer from corrosion. This corrosion not only destroys the appearance of the structure, but also reduces its mechanical resistance and can lead to irreparable financial and human losses. Therefore, investing in a professional and quality painting system is actually investing in the longevity of the equipment. Esadi Brothers Sandblast series, understanding this sensitivity, provides its services with the highest standards in the world.
The basic steps of painting industrial parts
In order for painting of industrial and metal parts in Qazvin to be done with the desired quality, precise and engineered steps must be taken. Failure to comply with any of these steps can lead to peeling of paint, blistering and finally failure of the coating.
1. Surface Preparation
The most important part in the painting process is surface preparation. If the metal surface contains grease, dust, rust or old paint, even the best paints in the world will not last on it. Here the key role of sandblasting becomes clear. Sandblasting is a method in which abrasive particles hit the metal surface at high speed and make it completely clean and rough. This roughness (Profile) causes the paint to engage well with the metal surface and create an extraordinary mechanical adhesion. Esdi Brothers Sandblasting provides a surface completely free of pollution and ready for painting by using modern equipment.
2. Choosing the right primer or primer
After cleaning, it is time to apply the first layer or primer. Primers usually contain anti-corrosion compounds such as zinc, which protect the metal through cathodic protection. In painting projects of industrial and metal parts in Qazvin, primer selection is done based on the type of metal and its environment.
3. Implementation of intermediate and final layers
The middle layer is usually used to increase the thickness of the coating and create an impermeable barrier. The final layer (Topcoat) is also responsible for beauty, resistance to UV rays of the sun and wear resistance. The expert team of Esdi Brothers Sandblasting will offer the best coating system for your parts with a detailed knowledge of all types of colors.
Types of paints used in industry
In the process of painting industrial and metal parts in Qazvin, a wide range of colors are used, each of which has unique characteristics:
- Epoxy paints: These paints have very high chemical and mechanical resistance and are very suitable for tanks, pipes and metal structures in corrosive environments. Epoxies have excellent adhesion to metal, but are weak against sunlight.
- Polyurethane paints: These paints are usually applied as a final layer on epoxy. Their distinctive feature is excellent resistance to UV rays and long-term preservation of gloss and color.
- Zinc Rich paints: They contain a high percentage of zinc powder and are used for cathodic protection of steel. These paints are the best option for marine and very humid environments.
- Fireproof and silicone paints: They are used for parts that are exposed to high heat (such as chimneys and boilers).
Choosing the type of paint in projects of painting of industrial and metal parts in Qazvin requires technical knowledge and high experience, which the experts of Esdi Brothers Sandblasting will provide you with.
Why is sandblasting a prerequisite for quality painting?
Many employers think that the paint can be applied directly to the metal or can be done with a simple wash. But experience has shown that the useful life of paint without sandblasting is very short. Sandblasting does two important things: firstly, it removes all dirt and rust (cleanliness level Sa2.5 or Sa3) and secondly, it creates a rough surface that causes molecular adhesion of the paint.
In the Esdi brothers sandblasting collection, sandblasting operations are carried out with very high precision and using appropriate abrasives (such as sandblasting, silica or shot blasting) to provide the best substrate for painting industrial and metal parts in Qazvin. This accuracy in infrastructure guarantees the final quality of the work.
Spraying equipment and technologies
The final quality of painting does not only depend on the skill of the operator, but also the equipment used plays a very important role. In painting industrial and metal parts in Qazvin, it is common to use airless and air spray devices.
- Airless method: In this method, the paint is ejected from the nozzle with very high pressure without mixing with air. This technique is very suitable for high viscosity paints and large surfaces. High speed, low color wastage and excellent penetration in the pores of the surface are the advantages of this method, which is used in the sandblasting workshop of Sadi Brothers.
- Electrostatic method: For complex parts that are difficult to reach all points, electrostatic painting is used, in which the paint particles are charged and attracted to the part.
Special sandblasting services of Asadi Brothers in Qazvin
Esdi Brothers Sandblasting Group, with years of brilliant experience in Qazvin province, is known as one of the pioneers of the surface preparation and coating industry. Having equipped sheds and an experienced technical team, this complex is ready to provide the following services to respected artisans:
- Sandblasting of all types of metal structures: including sheds, tanks, bridges and machine parts.
- Multi-layer specialized painting: Accurate implementation of epoxy, polyurethane and alkyd color systems.
- Painting of industrial and metal parts in Qazvin: in compliance with all ASTM and SSPC standards.
- Technical consultation: Providing advice on selection The type of paint and coating system suitable for specific projects.
- Quality control: Continuous inspection of paint thickness (thickness test), adhesion test and Holliday test to ensure final quality.
The challenges of painting in the climate of Qazvin
Qazvin province has a variety of climates. In some seasons there is high humidity and in others there is local dust. To successfully carry out painting of industrial and metal parts in Qazvin, special attention should be paid to dew point and relative air humidity. If the temperature of the metal surface is less than 3 degrees above the dew point, the moisture will condense on the surface and cause the paint to not stick.
Esdi brothers sandblasting technical team, using accurate temperature and humidity measurement equipment, will paint only when all the environmental parameters are within the standard range. This obsession with performance is the main difference between this collection and other competitors.
Applications of industrial coloring in different industries
Painting services for industrial and metal parts in Qazvin cover a wide range of industries:
- Oil and gas industries: Painting pipes, storage tanks and refinery structures that require high resistance to chemicals.
- Automotive and component manufacturing industries: Painting chassis, undercarriage parts and metal bodies.
- Construction industries: Painting metal frames of buildings to prevent rust and increase resistance to Fire.
- Water and sewage industries: Covering water pipes and tanks of treatment plants with hygienic and moisture-resistant paints.
Esdi Brothers Sandblast Group has a history of successful cooperation with many of these industries in its portfolio and has been able to win the trust of Qazvini craftsmen.
Factors affecting the price of industrial painting
The finished price of painting industrial and metal parts in Qazvin depends on several factors:
- Type and brand of paint: The price of epoxy and polyurethane paints is higher than ordinary oil paints, but they are more durable.
- Paint layer thickness (DFT): The greater the required thickness, the more the paint consumption and the number of layers increase.
- Part size and geometry: Painting meshed and complex parts is more difficult than smooth surfaces and takes more time.
- Type of infrastructure: Sandblasting cost as a prerequisite forms an important part of the total cost.
- Place of implementation: Project implementation at the Esdi Brothers sandblasting workshop or at the employer's site can affect the costs.
However, this group is committed to providing the best services at the most fair cost to the customers by providing competitive and transparent prices.
Inspection and color quality control (QC)
One of the main pillars in painting projects of industrial and metal parts in Qazvin is the quality control unit. Painting without an inspection is like driving with your eyes closed. In the Esadi Brothers Sandblast collection, supervising engineers are present in all stages:
- Inspection before sandblasting: Inspection of metal defects such as sharp edges and splash welds.
- Inspection during sandblasting: Inspection of surface profile and degree of cleanliness.
- Inspection during painting: Control of environmental conditions, how to mix paint (Pot life) and spraying technique.
- Inspection after painting: Measurement of dry film thickness Color, adhesion test (Cross-cut or Pull-off) and examination of appearance defects.
This meticulous process ensures that the customer receives exactly the quality they expect.
Maintenance and repairs of industrial coatings
Even the highest quality colors need to be reviewed and restored after several years. Esdi Brothers Sandblast services are not limited to initial implementation; But this collection also provides maintenance services (Touch-up). If part of the structure's paint is damaged, it must be repaired immediately so that corrosion does not penetrate under the paint. Carrying out local repairs and painting of industrial and metal parts in Qazvin for old structures is one of the cost-effective solutions to increase the life of facilities.
Benefits of entrusting the project to a local contractor in Qazvin
Choosing a local contractor such as Esadi Brothers Sandblast to carry out painting of industrial and metal parts in Qazvin has many advantages:
Safety and environmental tips
The process of sandblasting and painting involves working with chemicals and suspended particles. Observance of HSE principles (safety, health and environment) in the Asadi Brothers sandblasting workshop is an undeniable principle. The use of special paint spraying cabins, air filtration systems to prevent the spread of paint particles in the environment and the use of personal protective equipment for personnel, shows the commitment of this group to professional and ethical principles. In industrial and metal parts painting projects in Qazvin, paying attention to the environment and preventing soil and air pollution is of great importance.
Conclusion and closing remarks
Smart craftsmen know that the final quality of their product largely depends on the quality of its coating and color. Painting of industrial and metal parts in Qazvin is a specialized process that requires a combination of chemistry, mechanical engineering and executive skills. Ignoring surface preparation and painting standards will only lead to wasted capital and rework.
Esdi Brothers Sandblasting Group, relying on technical knowledge, advanced equipment and years of practical experience in the industrial heart of Iran, Qazvin province, is ready to be a reliable business partner to protect your capital. If you are looking for quality, durability and beauty in your industrial parts, choosing a professional team is the first step.
To get a free consultation, inquire about the price and visit samples of painting of industrial and metal parts in Qazvin, contact the Sandblasting experts of Asadi Brothers today. We assure you that we will provide a resistant and durable cover for your equipment so that you can focus on the production and development of your business with peace of mind.
Metal protection is our specialty and customer satisfaction is our credit. Experience the quality with Esdi Brothers Sandblast.


