wood color surface making by single extruder for WPC profile extrusion ine
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This PE WPC profile extrusion line is designed for making wooden color on the WPC profile surface without co-extrusion
the color on the product surface is made by color feeding system on the extruder. we designed two feeding mouth on the extruder, one is for feeding the WPC material as normal, another one is for feeding color masterbatch on the surface, and the color masterbatch feeding speed is controlled by the speed ratio. 

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