Peliou New Materials Technology Co.,LTD
For outdoor signage, HDPE sandwich boards and related variants like dual-color sandwich plastic HDPE boards or textured HDPE sheets outperform PVC foam boards in critical aspects
1.Weather & Marine Resistance
HDPE Marine Board: Specifically engineered for harsh environments, marine-grade HDPE sheets resist saltwater corrosion, UV rays, and temperature extremes (-40°C to +80°C), ideal for coastal signage.
PVC: Degrades faster in humid or salty air, warping within 2-3 years.
2.Durability & Functionality
Textured HDPE Sheet: Anti-slip surface perfect for wet areas like docks or poolside signs. Load capacity: 150kg/m² vs PVC’s 80kg/m².
Dual-Color Sandwich Plastic HDPE Board: Aesthetic appeal with fade-resistant color layers (e.g., black/white for high-contrast lettering).
3.Eco-Friendliness
Marine-Grade HDPE Sheet: 100% recyclable, meeting ocean sustainability standards.
PVC: Releases toxic dioxins when exposed to fire or sunlight.
4.Cost Efficiency
HDPE Sandwich Board: 20% higher upfront cost than PVC but lasts 3x longer, reducing replacement labor by 60%.
Verdict:
Choose textured HDPE sheets for slip-prone areas.
Opt for dual-color HDPE boards for branded outdoor displays.
Prioritize marine-grade HDPE sheets near saltwater.
Tip: For boat ramps or piers, combine marine board durability with textured surfaces (3mm+ thickness).
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