Why Choose Polypropylene Ducts?
Compared with traditional metal ductwork, polypropylene ducts offer superior resistance to acids, alkalis, and many industrial chemicals. They do not rust or corrode, making them an ideal solution for demanding applications in chemical processing plants, laboratories, electroplating facilities, pharmaceutical factories, and wastewater treatment systems.
In addition, PP ducts are easy to fabricate, install, and maintain, helping businesses reduce operating costs while improving ventilation efficiency.
Industrial PP Ventilation Ducts for Corrosive Environments
Industrial PP ventilation ducts are specifically engineered to handle aggressive exhaust gases and chemical vapors. Their excellent anti-corrosion performance ensures stable operation even in harsh industrial conditions where galvanized steel or stainless steel ducts may deteriorate over time.
Key benefits include:
- Outstanding resistance to acids and alkalis
- Lightweight for easier transportation and installation
- Smooth interior walls that minimize airflow resistance
- Long operational lifespan with low maintenance requirements
- Excellent cost-effectiveness for industrial ventilation projects
These advantages make industrial PP ventilation ducts a preferred choice for factories requiring reliable and durable air handling systems.
Polypropylene duct size specifications
| Size(outer size) | Thickness | Unit | Length | Function |
| φ20mm | 2.8mm | piece | 4 meters | For ventilation &drainage |
| φ25mm | 2.8mm | piece | 4 meters | |
| φ32mm | 3.5mm | piece | 4 meters | |
| φ40mm | 4mm | piece | 4 meters | |
| φ50mm | 4mm | piece | 4 meters | |
| φ63mm | 4.5mm | piece | 4 meters | |
| φ75mm | 5mm | piece | 4 meters | |
| φ90mm | 5mm | piece | 4 meters | |
| φ110mm | 3mm | piece | 3 meters | For ventilation |
| φ160mm | 3mm | piece | 3 meters | |
| φ200mm | 3.3mm | piece | 3 meters | |
| φ250mm | 4mm | piece | 3 meters | |
| φ315mm | 4.2mm | piece | 3 meters | |
| φ355mm | 4.2mm | piece | 3 meters | |
| φ400mm | 4.5mm | piece | 3 meters | |
| φ450mm | 4.8mm | piece | 3 meters | |
| φ500mm | 5.5mm | piece | 3 meters |
PP Duct System: Complete Ventilation Solutions
A modern PP duct system consists of ducts, elbows, tees, reducers, flanges, dampers, and customized fittings designed to create an efficient airflow network. These systems can be manufactured in various sizes and configurations to meet different project requirements.
Whether installed in chemical laboratories or large-scale manufacturing facilities, a PP duct system provides safe air transportation while maintaining high resistance to corrosion and environmental stress.
Custom fabrication options allow seamless integration with exhaust fans, scrubbers, filtration equipment, and air purification systems.
PP Anti-Corrosion Air Duct for Long-Term Reliability
The PP anti-corrosion air duct is specifically designed for applications where conventional duct materials fail due to chemical exposure. Thanks to polypropylene’s inherent resistance to corrosion, these ducts maintain structural integrity and performance even after prolonged contact with acidic or alkaline gases.
Typical applications include:
- Chemical manufacturing plants
- Electroplating workshops
- Semiconductor production facilities
- Pharmaceutical industries
- Laboratory ventilation systems
- Waste gas treatment and fume extraction
- Wastewater treatment facilities
By using PP anti-corrosion air ducts, businesses can improve workplace safety, reduce maintenance costs, and extend the lifespan of their ventilation infrastructure.

Contact Our Engineering Team Today:
Visit Us: No.34 Zhenxing Road (Shengtaian Heavy Industrial Park B), Loucun, Guangming New Dist, Shenzhen, Guangdong, China
Direct Line: +86 18126478161
Email: fanalax@gmail.com
Shenzhen Xicheng — Precision Engineering for a Cleaner Future.








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