The mini film blowing machine structure is compact, simple operation, can be used for single and multi-layer blown film, can be applicable to all polymer dispersion research.
This mini film blowing machine consisted of a small single screw extruder and small film blowing tower. It is the best choice for quality control and testing the color distribution.
Parameters:
1. Single screw extruder
| Screw diameter | Φ 20 |
| Length diameter ratio | 1:28 |
| Screw speed | 0 - 95 rpm frequency control |
Screw/Feeding barrel material for mini film blowing machine:
38CrMoAl chromium-molybdenum steel. With the surface-layer processing of tempering, nitriding, chroming, polishing and super-precision grinding, the hardness HRC55~60, roughness Ra≤0.4μm, nitriding depth≥0.6mm.
Electric control system of mini film blowing machine:
High accuracy intelligent digital instrument control and display all of the process parameters, including temperature control, driving, pressure, interlocking spreading function.
2. Film blowing tower
| Diameter of dies of mini film blowing machine | Φ 30 |
| Driving rolling speed | 0.5- 2 m/min adjustable |
| Maximum folded diameter of the film of mini film blowing machine | 100 mm |
| Traction motor | 50 W |
| Fan | 0.15 KW |
| Rolling torque motor | 2.5 N.m |
| Power supply | 3 ∮, 50 HZ, 5 lines |
Huffing air:
0 -5 bar compressed air for mini film blowing machine.
Cooling air:
20 L/min air blower flow for mini film blowing machine.

Features
- This mini film blowing machine has compact design and a small body, not occupying too much indoor area.
- The host and auxiliary machines are of easy assembly with few raw material. The maximum folded diameter of the thin film can reach200mm.
- This mini film blowing machine is equipped with the C-type fast changing handpiece of easy operation and time & labor-saving test.
- Single-layer or double-layer cooling vane and the closed-loop control of creasing width ensure reliable product quality.
- The spiral circulation film blowing die of high performance is easy to clean and maintain.
- The height of the filming blow tower can be adjusted arbitrarily to meet test requirements.
- The extrusion, traction and rolling have the property of stepless speed regulating, ensuring requirements of film blowing technology to be met.









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