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Swarthy-coated aluminum profile showing smooth matte finish and consistent color tone

Swarthy Surface Coating for Aluminum Products

High-performance swarthy surface coating enhances corrosion resistance and aesthetics for aluminum profiles in architectural and industrial use.

  • Material & Temper :

    Custom Aluminum Alloy with Tempering Process
  • Application :

    Architectural, Decorative Home and Industrial Aluminum Profiles
  • Lead time :

    10 to 30 days
  • Executable Quality Standard :

    GB5237, TS16949, EN12020, EN755, EN573, Or according to customer agreement standards
  • Surface Treatment :

    Powder Coating
  • Color :

    Swarthy No. NZ-97656

The Swarthy Surface Coating technology for aluminum products is designed to enhance the corrosion resistance, weatherability, and aesthetics of aluminum alloys. This coating uses advanced electrostatic powder coating, fluorocarbon spraying, and anodized coloring processes to form a superior protective layer. It meets the high-performance requirements for applications in architecture, industrial facilities, and transportation sectors.

Item Parameters Description
Applicable Substrate 6063-T5 / 6061 / 6005 Aluminum Alloys Meets GB/T 3190 standards
Surface Color Matte Black, Carbon Black, Dark Gray, Iron Gray Customizable with RAL/Pantone colors
Treatment Method Electrostatic Powder Coating / Fluorocarbon Spraying / Anodizing Multiple processes available
Coating Thickness 60–120μm Customizable per customer requests
Adhesion Strength 0 Grade (GB/T 9286 standard) Ensures no peeling or cracking
Salt Spray Resistance ≥1000 hours Tested for durability
Weather Resistance UV Stability for 10+ years Suitable for outdoor exposure
Environmental Certification RoHS, REACH, SGS, CE Free from harmful substances

 

Product Core Features and Advantages

  • Excellent Corrosion Resistance: The advanced powder coating and fluorocarbon spraying technology form a dense protective layer, significantly enhancing the aluminum product's resistance to acid, alkali, salt spray, and humid environments.
  • Superior Weather Resistance: The coating maintains color stability for years, even under strong UV radiation and extreme temperatures, preventing fading or peeling.
  • High Adhesion Strength: The coating adheres firmly to the aluminum surface, with no risk of peeling or cracking, even under extreme conditions.
  • Eco-Friendly Performance: The powder coating is solvent-free with low VOC emissions, complying with RoHS and REACH environmental standards, suitable for export to markets with stringent environmental regulations.
  • Highly Customizable: A wide range of colors and thicknesses are available, and customized treatment options are provided to meet different project needs.
  • Efficient Production and Stable Quality: Equipped with automated production lines and rigorous quality control systems, we ensure consistent product quality and fast delivery times.

Swarthy surface treated aluminum profiles used in modern architectural design

Customer Problems and Solutions

Customer Issue Traditional Coatings Issues Sunmay Solutions
Insufficient Adhesion Strength Prone to peeling and cracking 0-grade adhesion technology ensures durability
Inconsistent Color Batch Noticeable color difference between batches Color difference controlled to ΔE ≤ 0.5
Poor Corrosion Resistance Prone to rusting and discoloration High-performance coatings provide salt spray resistance for over 1000 hours
Environmental Standards Compliance Use of harmful solvents and heavy metals Eco-friendly powder coatings, complying with RoHS and REACH
Long Delivery Times Outsourced processing leading to delays In-house production ensures faster delivery

 

Application Scenarios and Industry Use

  • Building and Construction: Used for curtain wall structures, window frames, balcony railings, and interior metal decorations.
  • Furniture Manufacturing: Ideal for modern metal furniture frames, display racks, and lighting structures.
  • Industrial Equipment: Suitable for industrial protective frameworks, machinery components, and conveyor systems.
  • Transportation Sector: Applied to subway and light rail car exteriors, airport structural components, and public infrastructure.
  • New Energy: Perfect for solar panel brackets, wind energy components, and other outdoor applications.

Sunmay aluminum extrusion factory applying swarthy surface coatings with automated spray and curing systemsISO9001 quality certification for swarthy surface coating on aluminum profiles ensuring international production standards

Brand and Certification

Sunmay is a leading manufacturer specializing in aluminum profile extrusion, surface treatment, and deep processing. We are committed to delivering innovative, high-quality aluminum solutions, with strong R&D capabilities, precise manufacturing processes, and strict quality management. Our company is equipped with advanced extrusion, powder coating, fluorocarbon spraying, and anodizing lines, meeting international quality standards. We ensure that every batch of our products is of the highest quality and consistency through our precise production process and stringent quality control systems. Sunmay holds numerous international certifications, showcasing our commitment to quality and environmental sustainability. We are certified with ISO9001 Quality Management, ISO14001 Environmental Management, and have RoHS, REACH, and CE certifications, ensuring our products meet global market standards. We continuously improve our technology and production processes, adhering to sustainable development principles, to offer reliable, eco-friendly, and high-quality aluminum solutions to customers worldwide.

 

FAQ

  • Q1: Which aluminum alloys are compatible with this coating?
    A1: This coating is compatible with 6063-T5, 6061, and 6005 aluminum alloys. Custom materials can be accommodated as per customer requirements.
  • Q2: How does the coating perform in terms of corrosion resistance?
    A2: The coating has been tested to provide over 1000 hours of salt spray resistance, making it suitable for coastal, humid, and highly polluted environments.
  • Q3: How do you ensure consistency in color batches?
    A3: We control the color difference to within ΔE ≤ 0.5, ensuring consistent colors across large-scale orders and different production batches.
  • Q4: Does the coating meet environmental standards?
    A4: Yes, the coating is made from eco-friendly powder materials, free from harmful solvents, and complies with RoHS and REACH standards, making it suitable for export to Europe, North America, and other environmentally regulated markets.
  • Q5: What is the typical delivery time for bulk orders?
    A5: Our typical delivery time for bulk orders is 7-10 days, with flexibility for urgent orders or specific customer requests.
  • Q6: Is the coating suitable for high-temperature environments?
    A6: Yes, the coating has excellent heat resistance and is suitable for outdoor and industrial applications exposed to high temperatures.
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Sunmay Aluminium

Siyang High-tech Industrial Development Zone, Siyang County, Suqian City, Jiangsu Province
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