China Black PVC Coated Welded Wire Fence Manufacturer

Product Overview

This product consists of low‑carbon steel wires welded at each intersection to form a uniform grid, then uniformly coated with a black polyvinyl chloride (PVC) layer. The welding creates a monolithic joint that resists separation under tensile loads, while the PVC coating provides a barrier against moisture, UV radiation, and chemical exposure. Typical wire diameters range from 2.0 mm to 4.0 mm, and the coating thickness is controlled between 0.3 mm and 0.5 mm to meet outdoor durability requirements.

Material Composition and Coating

The core wire is manufactured from SAE 1008/1010 low‑carbon steel, selected for its consistent elongation (≥ 20 %) and yield strength (≈ 250 MPa). The PVC compound includes plasticizers for flexibility, stabilizers for thermal resistance, and carbon black pigment for UV stability. Coating adhesion is achieved through a pre‑heating and extrusion process that ensures a minimum peel strength of 1.5 N/mm, preventing delamination under flexural stress.

Welded Mesh Geometry

Mesh openings are defined by the center‑to‑center spacing of parallel wires, commonly offered as 50 mm × 50 mm, 75 mm × 75 mm, or 100 mm × 100 mm. The welding pitch matches the wire spacing, producing square apertures with a tolerance of ± 2 mm. Wire count per square meter varies from 400 (for 50 mm spacing) to 100 (for 100 mm spacing), directly influencing the fence’s rigidity and wind load capacity.

Performance Characteristics

Typical Applications

• Perimeter security for industrial compounds where corrosion resistance reduces maintenance cycles.
• Agricultural enclosures requiring a smooth, non‑abrasive surface to protect livestock and crops.
• Temporary site fencing for construction projects, allowing rapid installation and removal.
• Noise barrier backing when combined with absorptive panels, due to the fence’s open area ratio.
• Sports facility boundaries where visibility and low glare are important.

Customization Options

• Wire diameter: 1.8 mm to 5.0 mm, adjustable for load requirements.
• Mesh aperture: 25 mm × 25 mm to 150 mm × 150 mm, customizable per project.
• PVC color: black (standard), green, grey, or custom RAL upon request.
• Coating thickness: 0.2 mm to 0.8 mm, tailored for specific environmental conditions.
• Edge finishing: knuckle, twist, or barbed configurations for enhanced safety.

Quality Assurance and Testing

Each production batch undergoes inline dimensional checks using laser scanners to verify wire diameter and pitch within ± 0.1 mm. Coating thickness is measured with a magnetic induction gauge at ten random points per roll, ensuring uniformity. Mechanical samples are pulled to failure to confirm tensile strength, while adhesion tests are performed on coated specimens before and after accelerated weathering. All test records are retained for traceability and are available to customers upon request.

Packaging and Logistics

Rolls are typically wound on Ø 300 mm steel cores with a width matching the fence height, then wrapped in UV‑stabilized polyethylene film and secured with polyester strapping. Standard roll lengths are 20 m or 50 m, but lengths up to 100 m can be accommodated for large‑scale projects. Palletized shipments use heat‑treated wooden pallets conforming to ISPM‑15, and each pallet is labeled with product code, batch number, and net weight for customs clearance.

Frequently Asked Questions

Contact for Inquiry

To discuss your specific requirements, request samples, or obtain a detailed quotation, please reach out via the contact form. Our technical team will respond with engineering data, lead time estimates, and packaging options tailored to your project.