The two-layer co extrusion rotary head film blowing machine is used to blow plastic composite films such as low-density polyethylene (LDPE), high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE). It is widely used in liquid packaging, printing substrate, export product packaging, industrial product packaging, etc.
1. Two layers of CO extruded composite film can prolong the fresh-keeping period of liquid packaging.
2. The barrel and screw of the extruder are made of high-quality alloy steel. After precision processing and nitriding treatment, its hardness reaches the best value and is durable.
3. The auxiliary machine is equipped with a flat workbench to facilitate operation and prepare a fixed bubble ring.
4. Coiling device: Double take-up and double section. Its power adopts torque motor, which can maintain appropriate tension, orderly take-up and convenient roll change.
| model | 2SJ-G50 | 2SJ-G55 | 2SJ-G60 |
| Screw diameter | ф fifty × two | ф fifty-five × two | ф sixty × two |
| Aspect ratio | 28：1 | 28：1 | 28：1 |
| Film folding diameter | eight hundred | one thousand | one thousand and two hundred |
| Single side thickness of film | 0.015-0.10 | 0.015-0.10 | 0.015-0.10 |
| Maximum output | forty | sixty-five | eighty |
| Host power | eleven × two | fifteen × two | eighteen point five × two |
| heating power | twenty-six | thirty | forty-two |
| Overall dimension | 4200×2200×4000 | 4600×2400×4600 | 5000×2800×5000 |
| Machine weight | four | five | six |
