PVC pipe black rhyolite solution

PVC pipe black rhyolite solution
Analysis of factors: most of the PVC pipe black rhyelike basic lack of liquidity.
Technology can handle part of the injection to pay attention to the pressure and speed of the switching points in the local black as a little bit slower to reduce the shear, or to hide the black pattern in the cold material or flow channel inside the formula to enhance mobility, DOP function allows a little more or add a little smooth inside, and then can not add a little stabilizer, the mold has a great impact, mold design defects in the material difficult to hide caused by doubt.
     The other can be opened to see if there is no flange inside the dip material, black lines are not all inside the flow channel, there may be brought out from the nozzle.

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