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China Engineering Plastics Modification Compounding Machine Suppliers - Factory for Optimal Performance Solutions

Engineering plastic compounding is a specialized technology that enhances the performance of engineering plastics such as PA, PC, PBT, PPO, and PPS. By utilizing physical, chemical, or a combination of both methods, China-based suppliers optimize these materials to fulfill specific application requirements. The primary objective of this modification is to elevate mechanical strength, heat resistance, chemical resistance, flame retardancy, and wear resistance, all while potentially reducing costs and improving processing performance. This advanced compounding technology is widely applied across various industries, including automotive, electrical and electronic, machinery, aerospace, medical equipment, and energy and environmental protection. As a leading factory in this field, we are dedicated to providing high-quality engineering plastic compounds tailored to your needs

    Performance & Features by Line Configuration

    CJWS75 Twin-Screw Extruder

    ⚙️ Main Extruder Model

    CJWS75

    Motor Power

    450 kW (AC frequency motor), maximum screw speed up to 900 RPM, energy-saving and high efficiency.

    📦 Output Capacity

    1–2 T/h

    ⚖️ Loss-in-Weight Feeding System

    Automatic high-precision metering and feeding for multiple materials, ensuring accurate formulation control.

    🎯 High-Precision Metering

    Automatic material weighing to ensure consistent and stable product quality.

    🛡️ Durable Barrel

    The barrel is equipped with integral tungsten carbide alloy liners, extending service life and reducing maintenance costs.

    🔩 High-Performance Screw Elements

    Screw elements made of powder metallurgy (PM), featuring high wear resistance and mechanical strength to ensure long-term stable operation.

    🌀 Glass Fiber Reinforced Side Feeder

    The side feeding design allows glass fibers to be introduced into the main material flow in a controlled and sectional manner, preventing fiber agglomeration and improving dispersion uniformity in the matrix.

    Low-shear feeding helps preserve fiber length (especially long fibers of 6–25 mm), reduces fiber damage, and enhances final product density through efficient high-vacuum degassing. The buffer hopper is equipped with an agitator to prevent material bridging and improve feeding efficiency.
    🏭 Automated Production System

    Equipped with small bag and big bag feeding stations, quick-opening strand die head, cooling water tank, air knife, gantry pelletizer, lifting conveyor, finished product homogenization silo, and automatic bagging system to improve overall production efficiency.


    Industries & Applications

    🚗 Automotive Industry Engineering Plastics Modification Compounding Machine (2)

    Automotive Industry

    Lightweight and energy saving: Engineering plastics can reduce the weight of the vehicle body and reduce fuel consumption.

    Nylon (PA): used to manufacture fuel lines, intake manifolds, gears, etc.

    Polycarbonate (PC): headlight covers, instrument panels, window glass (high light transmittance, impact resistance).

    Polyoxymethylene (POM): door locks, seat belt components (wear-resistant, low friction).

    Polyphenylene sulfide (PPS): high-temperature resistant sensor housing, ignition components.

    💡 Electrical & Electronic Industry Engineering Plastics Modification Compounding Machine (3)

    Electrical and Electronic Industry

    Insulation and precision components: high temperature resistance, flame retardancy, and dimensional stability.

    Polybutylene terephthalate (PBT): connectors, relay housings.

    Liquid crystal polymer (LCP): miniaturized electronic components (such as mobile phone antennas, high-frequency connectors).

    Polyimide (PI): flexible circuit boards, high-temperature insulation films.

    Polyetheretherketone (PEEK): chip carriers, corrosion-resistant cable sheaths.

    🔧 Mechanical Industry

    Mechanical Industry

    Wear-resistant and high-strength parts:

    Polyoxymethylene (POM): gears, bearings, sliders (self-lubricating, low wear).

    Polyetheretherketone (PEEK): chemical pumps and valves, seals (corrosion-resistant, high-pressure resistant).

    Ultra-high molecular weight polyethylene (UHMWPE): conveyor belts, guide rails (wear-resistant, impact-resistant).

    ✈️ Aerospace Engineering Plastics Modification Compounding Machine (4)

    Aerospace

    Adaptability to extreme environments:

    Polyphenylene sulfide (PPS): aircraft interiors (flame retardant, low smoke).

    Polyetherimide (PEI): cabin panels, radomes (high strength, radiation-resistant).

    Polytetrafluoroethylene (PTFE): hydraulic system seals (low temperature resistant, corrosion resistant).

    🏥 Medical Devices

    Medical Devices

    Biocompatibility and sterilization:

    Polyetheretherketone (PEEK): orthopedic implants, dental instruments (metal alternative).

    Polytetrafluoroethylene (PTFE): artificial blood vessels, catheters (anticoagulation).

    Polymethyl methacrylate (PMMA): artificial lenses, bone cement.

    Engineering Plastics Modification Compounding Machine (5)Engineering Plastics Modification Compounding Machine (6)
    🌱 Energy & Environmental Protection

    Energy and Environmental Protection

    Corrosion resistance and weather resistance:

    Polyaniline (PANI): conductive material for solar cells.

    Polyvinylidene fluoride (PVDF): lithium battery diaphragm, sewage treatment filter membrane.

    Polypropylene (PP): fuel cell bipolar plate (lightweight, acid-resistant).

    🚀 Emerging Application Areas

    Emerging Application Areas

    3D printing: PEEK, PA, etc. are used for customized complex structural parts.

    5G communication: LCP materials are used for antennas with high frequency and high speed transmission.

    Degradable engineering plastics: such as high-performance applications after modification of polylactic acid (PLA).


    Frequently Asked Questions (FAQ)

    Q What is the output capacity of the CJWS75 Twin-Screw Extruder?
    The CJWS75 Twin-Screw Extruder offers an output capacity of 1–2 T/h, powered by a 450 kW AC frequency motor with a maximum screw speed of up to 900 RPM, delivering energy-efficient and high-performance production.
    Q How does the glass fiber reinforced side feeder prevent fiber damage?
    The side feeding design introduces glass fibers into the main material flow in a controlled and sectional manner. The low-shear feeding mechanism effectively preserves fiber length (especially long fibers of 6–25 mm), minimizes fiber breakage, and improves dispersion uniformity. An agitator in the buffer hopper also prevents material bridging for consistent feeding.
    Q What materials are used in the barrel and screw elements for durability?
    The barrel is equipped with integral tungsten carbide alloy liners for extended service life and reduced maintenance costs. The screw elements are manufactured using powder metallurgy (PM), providing high wear resistance and mechanical strength to ensure long-term stable operation.
    Q Which industries benefit most from engineering plastics modification compounding machines?
    Engineering plastics modification compounding machines serve a wide range of industries including automotive, electrical and electronics, mechanical engineering, aerospace, medical devices, energy and environmental protection, as well as emerging sectors such as 3D printing and 5G communications.
    Q What automation features are included in the CJWS75 production line?
    The CJWS75 production line is fully automated and includes small bag and big bag feeding stations, a quick-opening strand die head, cooling water tank, air knife, gantry pelletizer, lifting conveyor, finished product homogenization silo, and an automatic bagging system — all designed to maximize production efficiency.
    Q What engineering plastics are commonly used in medical device applications?
    In medical device applications, PEEK (Polyetheretherketone) is widely used for orthopedic implants and dental instruments as a metal alternative. PTFE (Polytetrafluoroethylene) is used for artificial blood vessels and catheters due to its anticoagulation properties, while PMMA (Polymethyl methacrylate) is used for artificial lenses and bone cement.