Multi-functional PVC-WPC Foam Board Machine

Product Overview

The PVC WPC foam board production line is a specialized equipment for manufacturing wood-plastic composite (WPC) foam boards, blending PVC resin, wood flour (or bamboo flour), foaming agents, and additives through high-temperature extrusion and foaming. The produced boards combine the natural texture and workability of wood with the water resistance, corrosion resistance, and durability of plastic—eliminating the drawbacks of traditional wood (e.g., rotting, termite damage) and pure plastic (e.g., high weight, poor rigidity). The line adopts a multi-stage extrusion process (to ensure uniform foaming) and a precision calendering system (for smooth surface finish), making it a preferred choice in construction, furniture, and packaging industries.

Product Features

Foaming Control: Precision foaming agent injection system (with micro-metering pumps) offering ±0.1% flow accuracy, enabling precise control of foam density (0.4-0.8g/cm³). The system supports both physical foaming (using CO₂ or nitrogen) and chemical foaming (using azodicarbonamide), allowing customization of board density based on application needs (e.g., 0.5g/cm³ for decorative panels and 0.8g/cm³ for load-bearing boards).

Extrusion Technology: Conical twin-screw extruder (with L/D ratio 40:1) featuring temperature zoning control (5 zones) and a strong mixing ability—ensuring uniform mixing of wood flour (30-70% content) and PVC. The extruder’s screw is designed with a special mixing section to break up wood flour agglomerates, reducing board defects (e.g., spots, cracks) caused by uneven mixing.

Calendering System: 3-roll calender (with chrome-plated rolls) offering 0.01mm thickness control, producing boards with thickness ranging from 2mm to 50mm and width up to 2440mm. The calender’s roll speed is synchronized with the extruder to prevent board stretching, ensuring dimensional stability (thickness tolerance ≤±0.1mm).

Surface Treatment: Optional embossing (with customizable patterns such as wood grain, stone texture) or coating (with PVC film or UV coating) module. The embossing module uses precision-engraved rolls to create realistic textures, while the UV coating module enhances board scratch resistance (passing 400-cycle wear testing) and stain resistance (easy to clean with water and detergent).

Applications

Construction Decoration: Used for wall panels, ceiling panels, and floorings in residential and commercial buildings. The boards have a fire rating of B1 (flame retardant, meeting GB 8624 standards) and low formaldehyde emission (≤0.1mg/L), making them suitable for indoor use. Their light weight (≈0.6g/cm³) reduces building load compared to ceramic tiles or solid wood.

Furniture Manufacturing: Produces cabinet doors, shelves, and outdoor furniture (e.g., garden chairs, decking). The boards are resistant to moisture (water absorption ≤2% after 24-hour immersion) and termites (passing 6-month termite resistance testing), ensuring long service life in humid or outdoor environments. They can be cut, drilled, and painted like traditional wood, supporting diverse design needs.

Packaging Industry: Manufactures heavy-duty packaging boards for electronic products (e.g., TV, refrigerator) and machinery. The boards have high impact strength (≥15kJ/m²) and good cushioning performance, protecting products from damage during transportation. They are also 100% recyclable, aligning with eco-friendly packaging trends.

FAQ

Q: What is the maximum board width this line can produce?

A: Standard width options are 1220mm and 1830mm (compatible with common construction and furniture sizes); customized lines can support widths up to 2440mm (with a modified calender and extrusion die). Wider boards require longer cooling sections to ensure uniform cooling and prevent warping.

Q: Are the produced boards environmentally friendly?

A: Yes, they are free of formaldehyde (formaldehyde emission ≤0.1mg/L, meeting E0 grade standards) and use renewable wood flour (reducing reliance on virgin plastic). Additionally, the boards are 100% recyclable—scraps from production or end-of-life boards can be reprocessed into new WPC products, minimizing environmental impact.