Requirements for peroxide xlpe compounds

The peroixde crosslinded cable compounds (also know as PEX-A) are mainly used in the wire and cable industry as an insulating material for medium and high voltage power cables. The compounds must strictly meet the quality requirements,such as cleanliness,dielectric strength and lifetime. In the first step, polymer and additives are mixed at a narrow temperature range to reach a homogeneous status and then filtered and pelletized. In the second step, liquid peroxide is precised metered and mixed with the pellets.The entire process must be precisely controlled to obtain high purity products.

Processing Steps:

Material handling system-Compounding and extrusion- Wate ring pelletizer -Spin dryer – Classify – Packing system

Xinda Co Kneader

peroxide xlpe compounds

offer several specific benefits

> Gentle shearing:

Co-kneader’s unique combination of screws, pins and barrels can provides low shear which will reduce the breakage to materials’ physical character.

Excellent peroxide absorption control:

Liquid peroxide is strictly metered and mixed with pellets separately to assure the best quality of compounds.

> Homogeneous Temperature distribution:

Temperature prob can immerse into melts through hollow pin in each processing zone so that we can get the accurate real-time temperature all the time .

Low process temperature:

The process temperature can be controlled in a narrow zone by precise temperature control of each zone.

> Flexible liquid injection position:

Liquid ingredients can be conducted into melts at designated position which helps customer to achieve the best formula solution.

> Flexible screw configuration:

Co-kneader’s screw profile can be changed by adjusting the serial of modular designed screw. It makes the compounding system adaptable to all requirements.


SJW-200 Peroxide XLPE Cable Compounder

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