Nanjing MKPL Machinery Co.,Ltd.
| Packaging Details | Containers, wooden crates |
| Delivery Time | 10-30 working days |
| Payment Terms | 8477900000 |
| Supply Ability | 1pc/day |
| Materials | PP, PE, PET, TPU, PA, EVA, PLA, PBAT, etc. |
| Capacity | 100–5000 kg/h |
| Cutting Blade Motor | 3–15 kW |
| Centrifugal Dryer | 1–30 kW |
| Pellet Size | 2–4 mm (customizable) |
| Brand Name | MKPL |
| Model Number | Underwater Pelletizer |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Packaging Details | Containers, wooden crates | Delivery Time | 10-30 working days |
| Payment Terms | 8477900000 | Supply Ability | 1pc/day |
| Materials | PP, PE, PET, TPU, PA, EVA, PLA, PBAT, etc. | Capacity | 100–5000 kg/h |
| Cutting Blade Motor | 3–15 kW | Centrifugal Dryer | 1–30 kW |
| Pellet Size | 2–4 mm (customizable) | Brand Name | MKPL |
| Model Number | Underwater Pelletizer | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | PE Plastic Underwater Pelletizer ，Compounding Underwater Pelletizer ，Polymer plastic pelletizing machine | ||
An underwater pelletizing system, also known as an underwater pelletizer, is a high-efficiency plastic pelletizing machine designed for precise and continuous production of polymer pellets. This advanced pelletizing technology is widely used in polymer compounding, masterbatch production, chemical pelletizing, biodegradable plastics, and high-viscosity materials. With stable cutting performance and excellent pellet shape consistency, the underwater pelletizer is ideal for medium and large-scale industrial applications.
The system works by cutting molten polymer directly at the die face while submerged in water. The water flow cools, solidifies, and transports the pellets to a centrifugal dryer, ensuring uniform pellet size and excellent surface quality. This makes the underwater pelletizing system suitable for PP, PE, PET, TPU, PA, EVA, PLA, PBAT, and high-melt-index materials.
Applications of the Underwater Pelletizer
Polymer Compounding: PE, PP, ABS, TPU, TPE, PA, and engineering plastics.
Biodegradable Plastics: PLA, PBAT, PHA, starch-based polymers.
Masterbatch Production: color masterbatch, filler masterbatch, functional additives.
Chemical and Resin Production: hot-melt adhesives, elastomers, reactive polymers.
High-MFI Materials: suitable for materials that cannot be pelletized using strand or water-ring systems.
|
Parameter |
Specification |
|
Pelletizer Type |
Underwater pelletizing system |
|
Materials |
PP, PE, PET, TPU, PA, EVA, PLA, PBAT, etc. |
|
Capacity |
100–5000 kg/h |
|
Die Plate Heating |
Electric or oil circulation |
|
Cooling System |
Closed-loop water circulation |
|
Cutting Blade Motor |
3–15 kW |
|
Centrifugal Dryer |
1–30 kW |
|
Control System |
PLC + touchscreen (automatic logic control) |
|
Pellet Size |
2–4 mm (customizable) |
Key Advantages
Uniform pellet shape with smooth surface and precise size control.
Wide material compatibility, especially for sticky or high-MFI polymers.
Energy-efficient closed-loop water system reduces operating cost.
Fully automatic operation with intelligent PLC temperature and pressure control.
Low maintenance design with wear-resistant die plates and long-life cutting blades.
High output stability suitable for continuous 24/7 industrial production.
Q1: What materials are best suited for underwater pelletizing?
Polyolefins, biodegradable plastics, elastomers, engineering plastics, and high-viscosity polymers.
Q2: Can the pelletizing system be customized?
Yes. Die plate design, water system size, pelletizing chamber, and dryer capacity can all be tailored.
Q3: Is underwater pelletizing better than strand pelletizing?
Yes, especially for sticky materials or high-MFI resins that cannot form stable strands.
After-Sales Service
We offer on-site installation, operator training, spare parts supply, remote diagnostics, 24/7 technical support, and lifetime maintenance consulting to ensure your underwater pelletizing system runs reliably and efficiently.
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
800million-1000million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Over the past more than ten years, MKPL has been known as a professional manufacturer of advanced extruder production line. We are a professional supplier of compounding and modification extruders., with hundreds of extruder production lines running in the world, perfect and effective service networ... Over the past more than ten years, MKPL has been known as a professional manufacturer of advanced extruder production line. We are a professional supplier of compounding and modification extruders., with hundreds of extruder production lines running in the world, perfect and effective service networ...
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