WPC Door & Frame Production Line: Raw Material & Production Guide

WPC door and frame is a popular eco-friendly building material widely used in residential and commercial projects. It combines wood powder and plastic resin, bringing great advantages over traditional wooden doors and PVC doors.

Main Advantages of WPC Door & Frame

• Waterproof & moisture-proof: No swelling or deformation in humid environments such as bathrooms and coastal areas.

• Termite proof: Will not be damaged by insects, saving later maintenance cost.

• Fire retardant: Good flame retardant performance, meets most building safety standards.

• Low maintenance: No painting, no polishing, easy to clean.

• Recyclable: Environmentally friendly and supports circular production.

  
  

Raw Material Formula Introduction

The main raw materials are wood flour, HDPE/PVC resin, stabilizer, lubricant, coupling agent and color masterbatch. The proportion of wood powder directly affects the hardness, texture and surface effect of finished WPC door profiles. Strict material mixing is the first step to guarantee stable product quality.

Complete WPC Door & Frame Production Flow

Raw material mixing → feeding system → twin-screw extruder → mould shaping → cooling calibration → hauling → cutting → stacking.

The twin screw extruder is the core machine of the whole line. It ensures uniform plasticization, stable extrusion speed and consistent profile dimension. Different moulds can produce different styles of door panels, door frames and decorative profiles.

Key Production & Maintenance Tips

Control the temperature of each barrel zone properly; overheating will cause surface bubbling and discoloration.

Keep the wood flour dry before mixing, moisture will lead to product defects.

Clean the mould regularly to avoid carbon accumulation and poor surface finish.

Check hauling speed and cutting synchronization to guarantee accurate length.

If you plan to start WPC door profile manufacturing, our complete WPC door & frame production line provides reliable machine solutions with stable output and easy operation.