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WPC Products Process
Sep 25, 2017

We can add some artificial zeolite in Polymer, because this aluminum silicate molecular capture powder can absorb the peculiar smell of the material. Molecular capture adsorbent has been successfully applied in polyolefin extrusion tubing, the injection and extrusion blow molding vessels, insulate packaging material, extrusion packaging and sealing material. Molecular adsorption powder also can be used as a desiccant to be added in the plastic to remove the moisture.

The extrusion products of different sizes and shapes increase the diversity of wood plastic composite material.

When the material does not require with continuous sheet structure or parts have complex structural design, WPC profile can be shaped by injection or mould pressing. Sometimes processors have to face the problem of how to completely fill mould in the WPC manufacturing process. In order to solve this problem, they need to reduce the dosage of the wooden filler to increase the liquidity of the melt.

As 200 ° C is the operating temperature limit of WPC material processing, some melting point of resins are more than 200 ° C, such as PET that cannot be used for wood plastic composite material.

Steam will degrade the properties of composite materials and it will also help to breed microorganisms, so steam must be removed before the use of wooden packing. Generally the moisture content is lower than 1 ~ 2% after being processed.

Wood plastic composite processing machinery requirements are equipped with feeding equipment, drying equipment, extrusion machinery and molding equipment, and some necessary downstream equipment such as water cooling tank, traction equipment and cutting equipment, etc.


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