Author: David Chen | Senior Plastic Recycling Equipment Engineer | Release Date: April 3, 2026 | Certifications: CE, ISO 9001, UL | Technical White Paper: Download Industrial-Scale PP Pelletizing Line Performance Report
PP recycling pelletizing line
American industrial-scale recycling plants prioritize three critical factors: high output volume, consistent regrind quality, and compatibility with a wide range of PP waste—from industrial post-waste (PIR) to consumer post-waste (PCR). Our twin-stage PP recycling pelletizing line is engineered to meet these exact demands, integrating crushing, washing, melting, and pelletizing into a fully automated system. It is specifically designed to handle the high-impurity PP waste common in the U.S. market—where PCR PP often contains 20-30% PE contamination—and transforms it into high-value regrind suitable for automotive, packaging, and construction applications. With its high output capacity and strict quality control, this line is the top choice for large-scale PP recycling operations across the United States.
Why It Matters: Core Benefits for American Industrial-Scale Recyclers
Industrial-scale recyclers in the U.S. face unique challenges: managing large volumes of mixed PP waste, maintaining consistent regrind quality, and reducing labor costs. Our twin-stage PP recycling pelletizing line addresses these pain points effectively, delivering measurable value to your operation:
- High Output Capacity:The twin-stage design (mother pelletizer + baby pelletizer) enables an output of 300-800 kg/h, easily meeting the high-volume requirements of industrial plants. The second stage enhances plastic melt uniformity, reducing impurities and significantly improving regrind quality.
- Versatile Waste Handling:It can process a diverse range of PP waste, including PP film, PP bottles, PP automotive parts, and both PIR and PCR PP waste. Equipped with infrared sorting technology, it separates PP from PE and other contaminants, ensuring only pure PP is processed—even with the 20-30% PE contamination common in U.S. PCR waste.
- Automated Operation:A fully automated feeding, washing, melting, and pelletizing system reduces labor requirements by 60% compared to semi-automatic lines. PLC control with remote monitoring capabilities allows you to manage the line efficiently, minimizing operational errors and maximizing productivity.
- Cost-Effective & Durable:Constructed from high-quality carbon steel and wear-resistant components, the line boasts a service life of 10+ years. Its energy-saving heating system and heat recovery technology reduce energy consumption by 25%, lowering long-term operational costs and improving your bottom line.
PP recycling pelletizing line
Technical Parameters (Data Points)
| Parameter | Specification |
| Motor Power (Total) | 75-120 kW |
| Rotor Diameter (First Stage/Second Stage) | 200 mm / 160 mm |
| Number of Blades | 8-10 (tungsten steel, first stage); 6-8 (tungsten steel, second stage) |
| Screen Mesh Size | 2-4 mm (adjustable, second stage) |
| Output Capacity | 300-800 kg/h |
| Heating Temperature | 190-230 ℃ |
| Power Supply | 480V/60Hz (American standard) |
FAQ: Answers to Your Most Common Questions
Q1: Can this line handle PP waste with high PE contamination?
A1: Yes. Equipped with advanced infrared sorting technology, it separates PP from PE and other contaminants before processing, ensuring the final regrind is pure PP—suitable for high-value applications even with 20-30% PE contamination common in U.S. PCR waste.
Q2: What is the quality of the recycled PP pellets?
A2: The pellets have a melting index (MI) of 2-5 g/10min (adjustable) and a tensile strength of 25-30 MPa, meeting ASTM D6474 standards for recycled PP. They are suitable for producing injection molding products, film, and automotive parts.
Q3: How to maintain the twin-stage pelletizing line?
A3: Regular maintenance includes cleaning the screen, inspecting the blades, and lubricating the transmission system—we provide a detailed maintenance manual and on-site training. Our U.S. service center offers 24/7 technical support and quick access to replacement parts.
Q4: Does it support customization for specific PP waste types?
A4: Yes. We can customize the line’s washing system, screen size, and heating parameters to match your specific PP waste (e.g., thick PP sheets, thin PP film, or automotive PP scrap) and output requirements.
