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Blown film extruxion
Extrusion 135ºC – 350ºC / 275ºF – 662ºF
Barrel, screw and extrusion head
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- USE PURE
- SHAKE BEFORE USE
- Keep the same screw speed and the same temperature of last material in production. If the machine has a vacuum pump for gases, turn it off.
- Purge with virgin material to remove as much of the color or the material worked before.
- Load the hopper with virgin material according toTable 4 and added directly to the material EASYPURGE APC dose, as indicated in the same table.
TABLA 4
Single Screw, L/D 30
Twin Screw, L/D 40 diameter
Amount ofvirgin material EASYPURGEAPCdose diameter Amount ofvirgin material EASYPURGEAPCdose 40 mm
1,0 kg 20,0 ml 30 mm 1,0 kg 20,0 ml 50 mm
1,5 kg 30,0 ml 40 mm 2,0 kg 40,0ml 60 mm 3,0 kg 60,0 ml 50 mm 4,0 kg 80,0 ml
70 mm
5,0 kg 100,0 ml 60 mm 7,0 kg 140,0 ml 80 mm
7,0 kg 140,0 ml 70 mm 12,0 kg 240,0 ml
90 mm 10,0 kg 200,0 ml 80 mm 20,0 kg 400,0 ml
100 mm
12,0 kg 240,0 ml 90 mm 30,0 kg 600,0 ml 120 mm
20,0 kg 400,0 ml 100 mm 36,0 kg 720,0 ml
150 mm 40,0 kg 800,0 ml 120 mm 50,0 kg 1000,0 ml
200 mm
80,0 kg 1600,0 ml 130 mm 76,0 kg 1520,0 ml 150 mm 100,0 kg 2000,0 ml
- Purge with virgin material to remove all residues removed by the EASYPURGE APC.
- Repeat steps 3 y 4 until de system is completely clean.
- Start new production.
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