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Durable Road Signs 20 Year Reflectivity

Prepainted Aluminium Coil
December 24, 2025
Category Connection: Prepainted Aluminium Coil
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Tags:
#patterned aluminium sheet #prepainted aluminum coil #colored aluminum sheet metal
Brief: In this video, we explore the exceptional durability and performance of our Aluminum Alloy 1050 sheets for road signage. You'll see how the high-performance reflective base coating ensures over 80% reflectivity retention for 20+ years, even in extreme conditions. We'll demonstrate the material's perfect flatness, corrosion resistance, and how its lightweight nature enables 60% faster installation compared to traditional steel signs.
Related Product Features:
  • Maintains over 80% retroreflectivity for 20+ years, meeting ASTM D4956 Type XI standards.
  • 70% lighter than steel alternatives, reducing weight by approximately 6 kg/m² for easier handling.
  • Excellent corrosion resistance with 3000-hour salt spray test performance, ideal for coastal areas.
  • Pre-coated surface enables 60% faster installation by eliminating on-site painting requirements.
  • Superior flatness prevents oil canning or waves after cutting for perfect sign fabrication.
  • Environmentally friendly with 96% lower CO₂ emissions compared to galvanized steel production.
  • Customizable widths from 800-2000mm and various tempers to meet specific project requirements.
  • Compatible with digital printing, plotter cutting, and screen printing for versatile sign production.
FAQs:
  • What is the expected lifespan of the reflective coating on these aluminum sheets?
    The reflective base coating is designed to maintain over 80% of its initial reflectivity for more than 20 years, as verified by ASTM D4956 Type XI standards and real-world case studies in demanding environments.
  • How does the weight compare to traditional steel signage materials?
    Our 2.5mm aluminum sheets are approximately 70% lighter than equivalent 3mm steel panels, saving about 6 kg/m². This significant weight reduction makes transportation, handling, and installation much more efficient.
  • What environmental conditions can these road sign sheets withstand?
    The sheets demonstrate excellent durability in harsh conditions, including coastal salt spray environments (3000-hour salt spray test), extreme desert temperatures up to 50°C, and 100% humidity tropical climates, with zero corrosion reported in long-term applications.
  • Are custom sizes and coatings available for specific project requirements?
    Yes, we offer customizable widths from 800-2000mm, various thickness options from 2.0-3.0mm, and multiple coating options including PVDF and PE paint coatings in RAL or Pantone colors to meet your specific project needs.
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