How is composite made of?

Composite fencing is crafted through a meticulous process that combines recycled wood fibers and plastics, resulting in a durable and environmentally friendly product. Here’s an overview of how it’s made:

1. Material Collection and Preparation

The process begins with gathering recycled materials:

Wood fibers: Often sourced from sawdust or wood shavings from mills and cabinetry shops.
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Plastics: Typically high-density polyethylene (HDPE) or polypropylene (PP), collected from items like plastic bags and packaging materials.

These materials are cleaned and ground into a fine powder to ensure uniformity.
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2. Blending and Additive Integration

The wood fibers and plastic powders are thoroughly mixed to create a consistent blend. During this stage, additives are incorporated to enhance the material’s properties:
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Colorants: Provide the desired hue to the fencing.

UV inhibitors: Protect against sun damage and fading.
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Stabilizers: Improve resistance to moisture and temperature fluctuations.

This mixture ensures the final product is both aesthetically pleasing and durable.

3. Extrusion and Molding

The blended material is then heated and fed through an extruder, a machine that shapes the composite into specific profiles:
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Extrusion: The heated mixture is pushed through a die to form continuous lengths of fencing components, such as boards and posts.

Molding: In some cases, the material is injected into molds to create specific shapes and textures.

This step defines the fence’s dimensions and surface finish.

4. Cooling and Cutting

Once shaped, the composite profiles are cooled to solidify their form. After cooling, they are cut to the required lengths for fencing panels.

5. Quality Control and Finishing

The final products undergo rigorous quality checks to ensure consistency, strength, and appearance. Some manufacturers may also apply surface treatments or textures to mimic the look of natural wood.

This manufacturing process results in composite fencing that is:

Eco-friendly: Utilizes recycled materials, reducing waste and the need for virgin resources.

Durable: Resistant to rot, pests, and weathering.

Low maintenance: Requires minimal upkeep compared to traditional wood fencing.