x purge for blown film extrusion machine · 2018-07-25 · cleaning procedure guideline blown film...

3
X PURGE for Blown Film Extrusion Machine Prepared by Technical Support Department, PTT Polymer Marketing Co., Ltd. ¾ Clean color resin, black spot and contaminants - X PURGE 50% (Mix with resin) ¾ Shut-down/Start-up the machine - X PURGE 100% (No mix with resin)

Upload: others

Post on 16-Apr-2020

40 views

Category:

Documents


2 download

TRANSCRIPT

X PURGE for Blown Film Extrusion Machine

Prepared by Technical Support Department, PTT Polymer Marketing Co., Ltd.

¾ Clean color resin, black spot and contaminants

- X PURGE 50% (Mix with resin)

¾ Shut-down/Start-up the machine

- X PURGE 100% (No mix with resin)

Cleaning Procedure GuidelineBlown Film Extrusion Machine

1st step : Remove screen pack and purge out the existing resin

2nd Step : Put 100% of X PURGE

to clean screw and barrel through connector (reduce screw speed)

3rd Step : Mix X PURGE:resin = 50:50

to clean Die head

4th Step : Put resin to purge out the X PURGE until clean (increase screw speed) then insert screen pack

Prepared by Technical Support Department, PTT Polymer Marketing Co., Ltd.

Cleaning Procedure GuidelineBlown Film Extrusion Machine

Prepared by Technical Support Department, PTT Polymer Marketing Co., Ltd.

Screw Diameter(mm)

Recommended Quantity of GX168 (kg)

55 10

65 15

70 20

80 25

135 40

Recommended quantity according to screw diameter of blown film machine.

Remark:

• actual amount may be varied by color, running period, and machine design

• If, customer need to test with multi-layer machine, total GX168 amount should be

sum up recommended amount of each extruder.