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PU injection machinery
Polyurethane Pultrusion
Injection Machine
  • Discharge:20mr/r
  • Mixer ration:1:1.5-1.5-1
  • Viscosity:50-3000CPS 25℃
  • Mixer solution:static Mixer
  • Power pressure:less than 0.5Mpa
  • Pipe heater: 0.45kW x 2 sets
  • Resin tank heater:2.6kW x 2 sets
  • Motor Power:0.15kW x 2 sets
  • Total Power:6.4kW
  • Resin tank:85kg/Barrel;Material:SS304
  • Level switch:Equipped
  • Mixer:Yes

Polyurethane Pultrusion Injection Machine

The Polyurethane Pultrusion Injection Machine is a new tool that makes strong and long-lasting plastic products. It uses a special material called polyurethane to do this. This machine is great for making better products quickly and easily.

Polyurethane Pultrusion Injection Machine
Polyurethane Pultrusion Injection Technology

Polyurethane Pultrusion Injection Technology

Polyurethane Pultrusion Injection Technology is a modern method that makes strong plastic items. It uses a special liquid called polyurethane. This technology is a big step forward, making things faster and better.

The Evolution of Pultrusion:the Polyurethane Pultrusion Injection Machine

Pultrusion is a continuous manufacturing process that produces fiber-reinforced plastics with a constant cross-section. The term “pultrusion” is derived from the combination of “pull” and “extrusion.” Unlike extrusion, which pushes the material, pultrusion pulls it.
The Traditional Pultrusion Process: In the conventional pultrusion method, reinforcement materials, such as fibers or woven strands, are impregnated with resin. This impregnated material is then pulled through a heated stationary die where the resin undergoes polymerization. The impregnation can be achieved by immersing the reinforcement in a resin bath or by injecting the resin into an injection chamber connected to the die. Commonly used resins include polyester, vinylester, and epoxy.
Enter the Polyurethane Pultrusion Injection Machine: The Polyurethane Pultrusion Injection Machine is specifically caters to the use of polyurethane resin, which offers unique advantages over other resins. Polyurethane provides exceptional resistance to environmental factors, such as corrosion and impact. When combined with the strength offered by the reinforcing fibers, the resulting product is both durable and versatile.

Benefits of Using Polyurethane in Pultrusion

  1. Enhanced Durability: Polyurethane is known for its resilience and ability to withstand wear and tear, making it ideal for applications that demand longevity.
  2. Flexibility: Polyurethane offers a balance between flexibility and rigidity, allowing for the creation of products that can bend without breaking.
  3. Environmental Resistance: With its inherent resistance to environmental factors, polyurethane ensures that the final product remains unaffected by external conditions.


Products manufactured using the Polyurethane Pultrusion Injection Machine find applications in various industries, including:

  • Agriculture and chemical industries for chemically resistant structures.
  • Construction industry for reinforced profiles and stiffening bars.
  • Aerospace industry for structural components.
  • Sports and tourism industries for equipment with enhanced strength properties.
  • Electrical power engineering for dielectric structures.
  • Automotive industry for lightweight and rigid vehicle parts.

The Polyurethane Pultrusion Injection Machine is a testament to the advancements in the pultrusion industry. By harnessing the benefits of polyurethane, manufacturers can now produce high-quality, durable, and versatile products that cater to a wide range of applications.

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