- Home
 - Products
 - Grip Seal Bag Machinery
 - SJ20 Red Line Extruder
 
SJ20 mini extruder is used to to work with Zip film blowing machine, connected with die head to make a color line on the lip of zipper bag, which makes the bag more beautiful, and clearly to confirm the zipper’s top and bottom side.
Parameters| Model | SJ-20 | 
| Material | LDPE+color master batch | 
| Screw diameter | 20mm | 
| Screw ratio (L/D) | 20:1 | 
| Heater Power | 1kw | 
| Power | 1.5kw |