English
PVC, or polyvinyl chloride, is a non-crystalline polymer. Its glass transition temperature ranges from 105℃ to 75℃, depending on its molecular weight. It is known for its flame resistance, high rigidity, excellent chemical resistance, and electrical insulation. However, it is a heat-sensitive resin.
Its processing temperature exceeds its decomposition temperature, making it unprocessable without modification. Modified PVC is the plastic that requires the most additives. Depending on the requirements, PVC can be modified to produce soft, hard, transparent, and opaque products using a PVC twin screw extruder machine. As a reputable manufacturer and supplier of twin screw extruder machines, JWELL provides reliable and stable double screw extruder machines that meet the needs of mid to high-end customers with enhanced capacity and quality requirements.
| Main technical parameters | |
| Extruder type | SJZ72/152 |
| Motor power(kw) | |
| Output(kg/h) | 220-270 |
| Screw speed(rpm) | 5-28 |
| With twin screw feeder | 1.5KW |
| Conical PVC Twin-screw Extruder for High-speed Profiles | |
Offered by a professional twin screw extruder supplier, the double screw extruder machine is easy to operate. The upper extruder is a high-speed twin screw compounding machine, which provides forced conveyance, efficient plasticizing mixing, and shearing dispersion. It doesn't have head back pressure reflux, preventing high shear overheating.
The lower extruder is a large diameter single screw extruder that operates at a low speed, with separate temperature control. Its low-speed operation results in minimal shear force, and the internal cooling of the screw prevents the decomposition of plasticized materials. The single screw extrusion ensures the establishment of pressure for stable extrusion. The PVC twin screw extruder machine can be used in the processing of thermally sensitive polymers and large capacity exhaust devolatility processing.
PVC is used in a wide range of products, including PVC plastic pipes, tapes, toys, wires, plugs, injection molding, container accessories, food and medicine packaging, colored PVC plastic bottles, and a variety of PVC packaging bags found in supermarkets.
The PVC twin screw extruder machine is ideal for producing profiles, PVC pipes, wires, and cable insulation, PVC plugs, and other items with a low sealing softening point. It can also be used to produce toy figures and profiled materials.
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