These navigation buoys and markers comprise a rotationally molded plastic float module, a polyethylene tower, a top mark assembly, and other essential components. 

The rotomolded parts are made of LLDPE, with the final product color conforming to IALA standards. The buoy structure is assembled using 316L marine-grade stainless steel fasteners, which provide high corrosion resistance, ensuring structural reliability, ease of installation, and long-term maintenance efficiency in marine environments. 

According to ASTM G154 (UV weathering test) for 20,000 hours, the chromaticity coordinate values remain within the IALA-specified range, ensuring long-term visibility and durability in harsh marine environments.

The buoy's internal filling material is a two-component closed-cell polyurethane foam with a closed-cell rate exceeding 90%, as per industry-standard buoyancy tests. This ensures that even if the outer shell is punctured, the float maintains its buoyancy and does not sink, enhancing navigation safety. 

The modular combination design and reinforced key structural components ensure enhanced impact resistance. The manufacturing process incorporates advanced rotational molding techniques, allowing for on-site module replacement in case of damage, which significantly reduces maintenance time and costs.

Specifications:

Since the LLDPE rotomolded material is inherently colored, no additional painting is required, reducing environmental impact. The production process is completely free from volatile organic compound (VOC) emissions, making it an eco-friendly and sustainable solution for marine navigation. We have all kinds of steel buoys and LLDPE buoys for you to choose. Each buoy is satisfied with the IALA standard. If you want to know more customized information, please contact us through our website.