Small scale SJ25-MF260D film blowing system for laboratory

1. Extruder

    Screw diameter:          25mm (applicable to PE/EVA/PP/PS granule)

    Screw ratio (L/D):              28:1

    Rotation rate of screw:     50~90 r/min

    Output:                            2.5~5 kg/h,

    Max folding width of film:   240mm

    Main motor power:      3.0KW with frequency conversion

    Electric heating system:   1.0kw´3

    Die:                    diameter 40mm, electric heating 0.5kw´2

    Air cooling power:         0.25kw

 2. Film blowing machine

    Height of the center of upper traction:     1700mm

    Motor for upper traction:         120W stepless speed motor

    Upper traction roller:          diameter ~ 80mm; width ~ 260 mm

    Motor for low traction:           120W stepless speed motor

    Maxim liner speed of low traction motor:    15m/min.

 3. Overall dimensions                      2000´1000´1800mm