Technical Parameter:
Model | SJ-45A/600 | SJ-45A/800 | SJ-45A/1200 | SJ-45A/1500 | SJ-45A/2000 |
Screw dia | 45mm | 55mm | 65mm | 80mm | 100mm |
L/D | 28:1 | 28:1 | 28:1 | 28:1 | 28:1 |
Screw speed | 10-100r/min | 10-100r/min | 10-100r/min | 10-100r/min | 10-100r/min |
Motor power | 7.5kw | 11kw | 18.5kw | 30kw | 55kw |
Output(singel) | 35kg/h | 50kg/h | 76kg/h | 86kg/h | 160kg/h |
Thickness of film(singel) | 0.006-0.1mm | 0.006-0.1mm | 0.006-0.1mm | 0.01-0.1mm | 0.01-0.1mm |
Max folding width | 600mm | 800mm | 1200mm | 1500mm | 2000mm |
Total power | 18kw | 22kw | 32kw | 52kw | 80kw |
Weight | 2000kg | 2200kg | 3300kg | 4300kg | 5800kg |
Dimension(mm) | 4200×1800×3600 | 4400×2000×4000 | 4800×2500×4500 | 5200×2800×5000 | 5800×3300×6000 |
Use:
It is used for blowing the various plastic film of low density polyethylene (LDPE), high density Polyethylene(HDPE) and linear low density polye-thylene(LLDPE) etc, which are widely used for packing industrial porducts, textile, garments, food and for covering farm land.
Characteristics:
The cylinders and the screw stems of the above extruders are made of high-quality alloy steel with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment. The auxiliary machine has a platform working table for making operation easy.
The cooling unit adopts torque motor to keep proper tension and making rolling even and roll-changing easy
Sample:
1. Warranty
1 year limited warranty after installation.If the spare parts is broken in the warranty
period , we will send a free replacement parts to you .
2. Installation and Training
We can send 1-2 engineers to buyers factory to install and set up the machines and
training, but all the charges for the engineers should be paid by buyer.
3. Quotation
The quotation is available in 60 days
We have a professional transport channel

1.About us
Wenzhou Changs Machinery Co.,Ltd is one of the first company specialized in manufacturing printing machines, packing machines, plastic machine and paper converting machines,has owned export and import license since 2004.
To consider our full service convenience, we have set up service office and showing room at DRAGON-MART of Dubai to provide technical service for customers from Middle East and Africa in 2006, and also we have established technical support offices in Mexco, Egpty and Singapore, our service has satisfied with all of our customers. We enjoy sound reputation in oversea’s market and domestic.
2.Certificate
3. Cooperative partner


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