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2 Layer Coextrusion Blown Film Machine

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The parameters mentioned below is for your reference only, please feel free to contact us for getting more detail specification which you may require.

Product Description:

Usage:
     The 2 layer co-extrusion pe film blowing machine is composed in two extruders and auxiliary parts, the die head and wind-cooling ring can rotate continuously. It can be used for blowing with high and low density polyethylene(HDPE,LDPE), linear low density polyethylene(LLDPE), metallocene polyethylene, etc. through the extrusion die head to form two-layer complex composite film. With greatly improving the physical properties of the films and an increase of strength, so that the films featured in good obstruct properties and air tightness. If the layers are using different colors, the performance and preservation capabilities of the film can be improved.
    This kind film is widely used in the liquid film, pearl film, composite-based film, heat shrinkable film, tire separation membrane, anti-aging multi-functional film, anti-jamming membrane, impermeable film, stretch film, cable film,etc.


Features:
1) 360°non-stop rotary die head
2) Mandrel spiral die head made by CNC Machining Center with mirror polishing.
3) Back-to-Back two station double winder
4) Double winder with auto tension control
5) Manual high-speed screen changer with melt pressure gauge 

Detail Technical Parameters:  

Model

SJ-50x2/28-BL1400

SJ-50x2/28-BL1600

SJ-60x2/28-BL2200

Co-extrusion Layers

2 Layers

2 Layers

2 Layers

Suitable Material

LDPE, LLDPE, mLLDPE

Max. Folding Film Width

1300mm

1500mm

2000mm

Film Thickness

0.04-0.150mm

0.04-0.15mm

0.04-0.15mm

Max. Output

110kg/hr

140hr/hr

170kg/hr

Screw Diameter

Ø50x2

Ø50x2

Ø60x2

Screw Ratio(L/D)

28:1

28:1

28:1

Max. Screw Speed

120r/min

Main Extruder Motor

22KWx2

22KWx2

30KWx2

Die Size

Ø250-300

Ø250-300

Ø300-350

Mode of Bubble Cooling

Dual Lip Air Ring

Dual Lip Air Ring

Dual Lip Air Ring

Mode of Reversing

360º Rotary Die Head

360º Rotary Die Head

360º Rotary Die Head

Width of Auxiliary Machine

1400mm

1600mm

2200mm

Winding Mode

Back-to-Back Two Station Double Winder

Max. Winding Diameter

Ø600

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