Powder Coated Aluminum Extrusion Profiles

Powder coating is a commonly used surface treatment for extruded aluminum profiles. This surface treatment has the following characteristics:

Corrosion Resistance: Forms a strong protective layer that safeguards against moisture and chemicals.

Enhanced Durability: Increases surface hardness, making the aluminum resistant to scratches and wear.

Variety of Colors and Finishes: Offers a wide selection of colors and textures, ensuring vibrant and consistent finishes that resist fading.

Ease of Maintenance: Creates smooth surfaces that are easy to clean and maintain.

Environmental Friendliness: Produces minimal waste and avoids harmful chemicals, making it an eco-friendly process.

Powder Coated Finish Aluminum Profiles

Powder coating is a common surface treatment for extruded aluminum profiles, offering numerous benefits. It forms a strong protective layer that enhances corrosion resistance and increases surface hardness, making the profiles durable and scratch-resistant. The process provides a wide range of vibrant and UV-resistant colors and finishes. Additionally, powder-coated surfaces are easy to clean and maintain. Being environmentally friendly, the method produces minimal waste and avoids harmful chemicals, making it a sustainable choice for both functionality and aesthetics.

Powder-Coated Aluminum Profiles Color Options

Powder coating for aluminum profiles provides a diverse array of color choices, leveraging the RAL color chart, an international standard for precise color matching. This standardized system ensures a wide and consistent selection of colors, catering to various design and aesthetic requirements. Popular RAL colors include RAL 9010 (Pure White), RAL 9005 (Jet Black), RAL 7016 (Anthracite Grey), and RAL 1015 (Light Ivory), among many others.

The coating thickness for powder-coated aluminum profiles spans from 40 to 120 microns (µm). This thickness range affects the coating's durability, with thinner layers suitable for light-duty applications and thicker layers providing enhanced protection against wear and corrosion. In addition to thickness, powder coatings are available in different gloss levels: matte (low gloss), satin (medium gloss), and gloss (high gloss). Matte finishes deliver a subtle, non-reflective surface that resists fingerprints and smudges, making them ideal for industrial settings and minimalist designs.

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Vertical Powder Coating Production Line

We employ a vertical powder coating production line for aluminum profiles, which offers several distinct advantages. Unlike traditional horizontal lines, the vertical setup minimizes floor space requirements, enabling more efficient use of available area. This configuration also allows for the continuous and uniform coating of long aluminum profiles, enhancing production efficiency and consistency in coating quality. The vertical orientation significantly reduces the risk of dust and contaminants settling on the profiles during the coating process, resulting in cleaner and higher-quality finishes. Moreover, the automated nature of the vertical line facilitates better control over the coating thickness and curing process, ensuring optimal performance and durability of the powder-coated aluminum profiles.

Features of Powder Coating for Aluminum Profiles

Powder coating for aluminum profiles is renowned for its exceptional characteristics that cater to both aesthetic and functional needs. It offers a wide range of color choices and finishes, including matte, satin, and glossy, which ensures versatility in design applications. Environmentally friendly, powder coatings are free from solvents and emit low levels of volatile organic compounds (VOCs), making them a sustainable choice. The coating provides robust protection against corrosion, UV degradation, and mechanical wear, significantly extending the lifespan of aluminum products. Additionally, its uniform application results in a consistent and smooth finish, devoid of drip marks or runs, which are common in liquid coatings. The efficient use of materials in powder coating also leads to minimal waste, further enhancing its appeal as an eco-conscious alternative.

Powder Coating Process for Aluminum Profiles

The powder coating process for aluminum profiles involves several meticulously controlled steps to ensure a high-quality, durable finish. Below is a detailed overview of the process:

Pre-Treatment:
- Cleaning and Degreasing: The aluminum profiles are first cleaned to remove any oils, dirt, or contaminants. This step is crucial for ensuring proper adhesion of the powder coating.
- Rinsing: After cleaning, the profiles are thoroughly rinsed to remove any residual chemicals.
- Etching and Phosphating: The surface is then etched to create a rough texture, enhancing the adhesion of the coating. Phosphating can also be applied to improve corrosion resistance.
Drying:
- The cleaned and pre-treated profiles are passed through a drying oven to remove any moisture. This step ensures that the surface is completely dry before the powder application.
Powder Application:
- Electrostatic Spraying: In the spray booth, an electrostatic gun charges the powder particles, which are then attracted to the grounded aluminum profiles. This results in an even and uniform coating layer.
- Coating Thickness Control: The thickness of the applied powder coating can be precisely controlled during this stage, typically ranging from 40 to 120 microns.
Curing:
- Curing Oven: The coated profiles are then moved to a curing oven where they are exposed to high temperatures, typically between 180-200°C (356-392°F). The heat causes the powder to melt and form a smooth, hard finish.
- Curing Time: The profiles remain in the oven for about 15-20 minutes, allowing the coating to fully cure and bond to the substrate.
Cooling:
- After curing, the profiles are cooled down to room temperature. This cooling phase ensures that the coating hardens properly and is ready for handling.
Inspection and Quality Control:
- Each profile undergoes a thorough inspection to ensure that the coating is uniform, free of defects, and meets the desired thickness and performance standards. Tests for adhesion, color consistency, and other properties may be conducted.
Packaging and Final Handling:
- The finished profiles are then carefully packaged to prevent damage during transportation and storage. Proper handling ensures that the profiles retain their high-quality finish until they reach the end user.

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Custom Your Aluminum Profile

Our aluminum extrusion factory, located in Nanchang, Jiangxi Province, covers an extensive area of 30,000 square meters and is home to a dedicated workforce of over 120 skilled individuals.

Advanced Extrusion Lines

Boasting over 30 high-precision extrusion production lines from Japan and Germany, we ensure unmatched quality and efficiency.

Custom Mold Design and Processing

We tailor-make molds based on client designs or samples, providing prototypes for confirmation to meet precise specifications.

Comprehensive Surface Treatment Techniques

Our surface treatment capabilities include anodizing, electroplating, sandblasting, powder coating, fluorocarbon painting, and wood grain transfer printing to enhance product durability and aesthetics.

Over Two Decades of Expertise

Since 2013, we have been manufacturing aluminum profiles, accumulating vast experience in producing a wide array of profiles for windows, doors, and various industrial applications.

Custom Aluminum Profile Solution

At HTS Aluminium, we pride ourselves on our ability to deliver custom aluminium profile solutions tailored to the unique needs of each client. Our bespoke services are grounded in a deep understanding of our clients’ visions, which we bring to life by transforming drawings or samples into precision-engineered aluminium profiles.

Precision Aluminum Extrusion Process

Our state-of-the-art manufacturing facility is equipped with advanced extrusion presses and precision cutting tools, allowing us to handle even the most complex profiles with exceptional accuracy. Our team of skilled technicians brings years of industry experience to the table, ensuring that every extruded aluminium profile meets the highest standards of quality and precision.

Design and Manufacture of Moulds

We at HTS Aluminium specialize in the design and manufacture of custom moulds based on client specifications. Once a mould is created, we conduct trial productions and send samples to our clients for confirmation. This meticulous process ensures that the final product perfectly aligns with our clients’ expectations.

Material for Extruded Aluminum

Quality begins with the raw materials, and at HTS Aluminium, we use only the highest standard aluminium alloys for our extrusions. Our profiles are commonly crafted from a selection of industry-standard grades, each offering a balance of strength, durability, and corrosion resistance to meet various application requirements.

5052: Offers excellent corrosion resistance, good weldability, and moderate-to-high strength. It is a popular choice for marine and automotive applications.Silicon (Si): 0.25% (Maximum) Iron (Fe): 0.40% (Maximum) Copper (Cu): 0.10% (Maximum) Manganese (Mn): 0.10% (Maximum) Magnesium (Mg): 2.2-2.8% Chromium (Cr): 0.15-0.35% Zinc (Zn): 0.10% (Maximum) Remaining Balance: Aluminum (Al)

6061: A versatile alloy with good mechanical properties, weldability, and corrosion resistance. It is widely used for structural applications and in the automotive industry.Silicon (Si): 0.40-0.80%Iron (Fe): 0.70% (Maximum)Copper (Cu): 0.15-0.40%Manganese (Mn): 0.15% (Maximum)Magnesium (Mg): 0.8-1.2%Chromium (Cr): 0.04-0.35%Zinc (Zn): 0.25% (Maximum)Titanium (Ti): 0.15% (Maximum)Remaining Balance: Aluminum (Al)

6063: Often referred to as an architectural alloy, it has a smooth surface finish and is commonly used in window and door frames.Silicon (Si): 0.20-0.60%Iron (Fe): 0.35% (Maximum)Copper (Cu): 0.10% (Maximum)Manganese (Mn): 0.10% (Maximum)Magnesium (Mg): 0.45-0.90%Chromium (Cr): 0.10% (Maximum)Zinc (Zn): 0.10% (Maximum)Titanium (Ti): 0.10% (Maximum)Remaining Balance: Aluminum (Al)

7075: One of the strongest aluminum alloys available, with zinc as the main alloying element. It is used in applications where strength is critical, such as in aerospace and military components.Zinc (Zn): 5.1-6.1%Magnesium (Mg): 2.1-2.9%Copper (Cu): 1.2-2.0%Chromium (Cr): 0.18-0.28%Silicon (Si): 0.40% (Maximum)Iron (Fe): 0.50% (Maximum)Manganese (Mn): 0.30% (Maximum)Titanium (Ti): 0.20% (Maximum)Other elements: Each 0.05% (Maximum), Total 0.15% (Maximum)Remaining Balance: Aluminum (Al)

Heat Treatment Options

Our aluminium profiles can undergo a range of heat treatment options to enhance their properties. From T5 to T6 treatments, we tailor the process to achieve the desired level of hardness, strength, and elasticity. Each treatment option is designed to bring out the best in the material, ensuring that the final product stands up to the demands of its application.T5 Heat TreatmentProcess: Cooled from an elevated temperature shaping process and then artificially aged.Characteristics: Increases the strength of the aluminum by accelerating the aging process, resulting in a material that has moderate strength and good formability.T6 Heat TreatmentProcess: Solution heat-treated and then artificially aged.Characteristics: Provides a significant increase in strength compared to T5 by altering the microstructure of the aluminum. This results in a high-strength material with good machinability and fair formability.

Custom Aluminum Extrusion Process

At HTS Aluminum Profiles, we specialize in delivering custom aluminum extrusion solutions tailored to your specific needs. Here’s a step-by-step guide to our customization process:Step 1: Initial ConsultationYour journey begins with an initial consultation where we discuss your project requirements. We encourage you to share your design concepts, application needs, and any critical parameters that the aluminum profile must meet. This collaborative approach ensures that we fully understand your vision and objectives.Step 2: Design and EngineeringLeveraging our extensive experience in aluminum extrusion, our skilled engineers work closely with you to refine your design. We consider factors such as the aluminum alloy grade, temper, and mechanical properties required for your application. Our team uses advanced CAD software to create precise technical drawings and 3D models of the proposed profile.Step 3: Die FabricationOnce the design is finalized, we proceed to manufacture the custom extrusion dies. Our precision die-making process ensures that the final profile will match your specifications with high accuracy. We employ state-of-the-art CNC machines to craft dies that can withstand the rigors of extrusion while maintaining tight tolerances.Step 4: Aluminum ExtrusionWith the dies ready, the actual extrusion process begins. We select the appropriate aluminum alloy and heat it to the precise extrusion temperature. The heated billet is then pressed through the die to create the custom profile. Our extrusion presses, ranging from 600 to 3600 tons, are capable of producing a wide range of profile sizes and shapes.Step 5: Surface Treatment and FinishingFollowing extrusion, the profiles undergo various surface treatments as per your requirements. Options include anodizing, electroplating, sandblasting, powder coating, fluorocarbon painting, and wood grain transfer printing. These processes enhance the profiles’ durability, corrosion resistance, and aesthetic appeal.Step 6: Quality AssuranceQuality is at the heart of everything we do. Each custom aluminum profile is subjected to rigorous quality checks to ensure it meets ISO standards and our European quality certifications. We perform dimensional inspections, mechanical testing, and surface finish evaluations to guarantee that your profiles are delivered without defects.Step 7: Packing and DeliveryAfter passing all quality inspections, the aluminum profiles are carefully packed to prevent any damage during transit. We use robust packaging materials and methods tailored to the profiles’ dimensions and your delivery preferences. Our logistics team then manages the safe and timely delivery of your custom aluminum profiles to your specified location.Step 8: After-Sales SupportOur commitment to your satisfaction extends beyond delivery. We offer comprehensive after-sales support to address any concerns or additional requirements you may have. Our customer service team is always ready to assist you with any questions or feedback.

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We are committed to delivering precision-engineered aluminum profiles that meet the highest standards of quality. From initial design to final delivery, we provide a seamless and personalized experience, ensuring that your custom aluminum solutions are produced efficiently and to your satisfaction.Take the next step in your project and contact us for a consultation on your custom aluminum extrusion needs.