painting department

Painting Unit

  1. Unit Introduction:

The Painting Unit, utilizing electrostatic powder coating technology (Powder Coating), is one of the key departments in the production process of laboratory equipment. The purpose of this unit is to create a uniform, durable, and aesthetically refined coating on metal surfaces, enhancing product resistance to environmental conditions while providing laboratory devices with a professional and standardized appearance.

  1. Description of Activities and Responsibilities:

The painting process in this unit is carried out through several precise and standardized stages:

Cleaning and Degreasing:

Metal components are first cleaned in dedicated tanks or with chemical cleaning solutions to remove any oil, grease, or surface contaminants.

Rust Removal and Phosphating (Surface Pretreatment):

At this stage, surface oxides and rust are removed, and a phosphate layer is applied to improve paint adhesion and enhance corrosion resistance.

Initial Drying:

The cleaned components are placed in a drying tunnel or oven to ensure that no moisture remains on the surface.

Electrostatic Powder Coating Application:

The coating material is applied in powder form using an electrostatic spray system. The electrical charge of the powder particles ensures uniform adhesion to the metal surface.

Curing in the Oven:

The coated components are transferred to a curing oven and heated at a standard temperature (typically 180°C to 200°C) for a specified period. During this process, the powder particles melt and form a hard, durable coating layer.

Final Inspection:

After cooling, the coating is inspected and verified for thickness, uniformity, adhesion, and mechanical resistance.

  1. Required Infrastructure and Equipment:

Surface preparation and washing line (including degreasing and phosphating tanks)

Electrostatic powder coating spray system with spray guns

Powder coating booth equipped with filtration and overspray recovery systems

Curing oven with precise temperature and time control

Quality control equipment, including coating thickness gauges, adhesion testing devices, and scratch resistance testing equipment

  1. Advantages and Key Strengths:

Provides a uniform, aesthetically appealing coating without runs or bubbles

High resistance to moisture, corrosion, scratches, and impact

Environmentally compliant process (free from harmful solvents)

Ability to provide a wide range of colors based on customer requirements

Increases the service life and durability of equipment under various operating conditions

By utilizing electrostatic powder coating technology and an advanced oven curing system, the Painting Unit plays a fundamental role in ensuring final product quality. The combination of precise surface preparation, modern equipment, and skilled personnel ensures that the resulting coatings provide not only an attractive appearance but also maximum durability and performance for laboratory equipment.