Wooden Effect Plastic Masterbatch(Extrusion)

Wooden Effect Plastic MasterbatchOperation Procedure

(For Extrusion Machines only)

 

  1. Working temperature:

Please activate the cooling system (water cooling system). Temperature settings from section 5 to section 1 are from low to high (see picture below). Please start with the lowest possible of process temperature for your plastic material.

  • If the result on masterbatch is not melted properly and pellets are still in products, please increase the temperature 1℃ to 5℃ at once for each heating clamp or adjust section 1 & 2 until you are able to get satisfied wooden effect patterns.
  • If the result on no wooden effect at all, possibly that masterbatch is melted completely and no pattern shown in product, please decrease your working temperature.

 

  1. Pressure (Backpressure):

Normally extrusion machine does not have this option there is no need to worry about the setting.

 

  1. Extrusion Speed:

Barrel of extrusion machine is much longer than injection machine. It is necessary to shorten time of masterbatch passing through the barrel in order to have the wooden effect in products. Please be advised extrusion speed adjustment has to match working temperature accordingly.

  1. Output Point:

The size and shape of mold entry point will affect the pattern sizes.

The entry point of bigger than 1.3mm will be helpful to get better.

 5.  Eference Working Temperature:

Please note that following figures are reference only from NPC Color Corp; figures will be varied depending on extrusion machine.

 

Section

Rigid 

Section 1

170℃

Section 2

175℃

Section 3

165℃

Section 4

165℃

Section 5

165℃

   Remark:

  1. PVC resins must be pellet, not pigment.
  2. single screw extrusion only.
  3. MV series is designed for rigid  only.
     

 

  • The actual operation temperature may be varied depending on use of materials, machines and molds.

 

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