Small Laboratory Single Screw Extruder | PLA Biodegradable Plastic Processing
Accelerate your polymer research with this space-saving laboratory extruder. The SJ25 model delivers the precise temperature control and consistent output needed for developing filaments, testing bioplastics, and running small-scale trials—right from your workbench.
描述
Small Laboratory Single Screw Extruder
Designed for R&D, material testing, and small-batch production. Perfectly processes PLA, biodegradable plastics, and other polymers with precision.
Core Advantages
Compact & Lab-Ready: Small footprint fits easily on a benchtop, ideal for R&D and educational environments.
Precise Control: Features multi-zone heating up to 350°C for stable and accurate material processing.
Durable Components: Nitrided 38CrMoAl screw and barrel ensure high wear resistance and a long service life.
Quiet Operation: The feeding zone is equipped with a silent cooling device for a better working environment.
How It Works: A Simple 3-Step Process
1. Load Material
Add PLA pellets or other polymer granules into the feeding hopper.
2. Set & Extrude
Configure the desired temperature profile. The screw melts, mixes, and conveys the material forward.
3. Collect Output
Molten polymer exits the die, ready for cooling and collection as filament, profiles, or pellets.
Features & Technical Specifications
| Model Type | SJ25 |
| Screw Diameter | 25 mm |
| Designed Output | 0.1–2 kg/h |
| Machine Dimensions | 0.76 × 0.2 × 0.5 m |
| Weight (after wooden case packing) | 34 kg |
| Extrusion Center Height | 300 mm |
| Extrusion Direction | Right to Left |
| Motor Power | 250 W |
| Voltage | 220V (or customizable) |
| L/D Ratio | 16:1 |
| Heating Temperature | Ambient to 350°C (or customizable) |
| Feeding Zone | Equipped with a silent cooling device |
| Screw and Barrel Material | 38CrMoAl, nitrided treatment |
*Note: Parameters are for reference only and can be customized to meet specific material requirements.
Frequently Asked Questions
What types of materials can this extruder process?
The SJ25 is optimized for PLA and other biodegradable plastics. It is also suitable for a wide range of common thermoplastics like ABS, PETG, and PP for testing and filament production.
Is this machine suitable for a university lab?
Absolutely. Its small benchtop footprint, user-friendly controls, and quiet operation make it an ideal choice for educational environments, material science research, and student projects.
Can the voltage and temperature range be customized?
Yes. We can configure the machine for different voltages (e.g., 110V) upon request. The heating temperature can also be customized for higher-temperature engineering plastics if needed. Please specify your requirements when you request a quote.
An ideal solution for polymer research and filament development, offering precision and reliability in a compact, benchtop design.




