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SPECIFICATION
1. The first stage is an SHJ twin-screw extruder without a die. By combining the barrel and screw, this machine can effectively process thermosensitive materials such as PVC, melting, compounding, dispersing, and decentralizing under conditions with no back pressure.
2. The second stage is a single-screw extruder (SJ). Due to its lower rotational speed, it ensures stable melting, longitudinal compounding, and strand formation, helping prevent overheating.
Representative Materials for Screw Extrusion Machines
- Mixing Nature-Changing: PE, PP, PS+SBS, PA+EPDM, PP+NBR, EVA+Silicon rubber
- PE, PA, PC, CPE+ABS, ABS+TPU, PBT+PET, PP+PE
- Filling Nature-Changing: PE, PP, EVA, etc. + Calcium carbonate, talcum powder, titanium powder
- PP, PA, ABS + ferrous powder, sulfuric powder, ceramic powder
- Functional Pellets: PP, PA, ABS, PBT, etc. + anti-burning agents and other additives – combustion-supporting pellets
- PE, PP, PS, etc. + starch – biodegradable pellets
- PE + fog-preventing dipper, stabilizer – dual-prevention pellets
- PE, EVA, ABS, etc. + carbon black – black pellets
Two-Stage Extrusion Machine Technical Data
Model
Screw Diameter D (mm)
L/D
Screw Speed N (r/min)
Motor Power P (kW)
Capacity Q (kg/h)
SP50-120
SHJ50
50.5
24–48
500
37–45
150–300
SJ120
120
7–20
65–85
30–37
SP65-150
SHJ65
62.4
24–48
400–500
55–75
200–500
SJ150
150
7–20
65–85
37–45
SP75-180
SHJ75
71
24–48
400–500
90–110
300–600
SJ180
180
7–20
65–85
45–55
SP95-200
SHJ95
93
24–48
300
160–220
500–1000
This 85% CaCO3 high filler granule extruder is designed specifically for the production of masterbatch in plastic compounding applications. It features a two-stage system that combines the power of a twin-screw extruder with the precision of a single-screw extruder, ensuring efficient mixing, dispersion, and pelletization of high-filler materials. Ideal for industries requiring consistent quality and high output, this machine is widely used in the manufacturing of calcium carbonate-filled products. With advanced automation and computerized controls, it offers reliable performance, ease of operation, and long-term durability. The machine is built to handle a wide range of materials, including polyethylene, polypropylene, and various fillers, making it a versatile solution for different production needs. Its compact design and sturdy construction make it suitable for both small-scale and large-scale operations.
85% CaCO3 High Filler Granule Extruder for Compounding Masterbatch