Technical Specifications
| Material Type | Polypropylene (PP) |
| Polymer Family | Polyolefin |
| Colour | Natural (Translucent), Grey |
| Density | ~0.90 g/cm³ |
| Tensile Strength | ~30–38 MPa |
| Flexural Strength | ~40–50 MPa |
| Elastic Modulus | ~1.3–1.7 GPa |
| Working Temperature Range | 0°C to +100°C |
| Max Short-Term Temperature | ~120°C |
| Water Absorption (24 hrs) | <0.01% |
| Electrical Insulation | Excellent |
| UV Resistance | Poor (unless UV-stabilised) |
| Chemical Resistance | Excellent (acids, alkalis, salts) |
Polypropylene Rod
Polypropylene rod is a lightweight, tough plastic with excellent chemical resistance and low moisture absorption. It offers good impact strength and fatigue resistance, making it suitable for…
Per-piece pricing for off-the-shelf lengths. Need a custom cut or a shorter length? Email us a quote.
Why choose Polypropylene Rod?
Benefits of Polypropylene Rod
Applications
Diameters Available
- Chemical Resistance: Highly resistant to a wide range of chemicals, including acids, alkalis, and solvents.
- Lightweight & Durable: Offers a great strength-to-weight ratio, making it easy to handle and install.
- Low Moisture Absorption: Maintains its properties even in wet or humid conditions.
- Machinability: Easy to cut, drill, and fabricate to meet specific requirements.
- Cost-Effective: Provides excellent performance at a competitive price point.
- Chemical Processing: Ideal for tanks, liners, and components exposed to corrosive substances.
- Food & Beverage Industry: Suitable for conveyor components, cutting boards, and food-safe machinery parts.
- Water Treatment: Used in pump components, valves, and fittings due to its resistance to water and chemicals.
- General Fabrication: Perfect for custom parts, spacers, and insulators in industrial settings.
Polypropylene Rod is a versatile and durable thermoplastic known for its excellent chemical resistance, low moisture absorption, and high fatigue resistance. It is lightweight, easy to machine, and offers good impact strength, making it a popular choice for a wide range of industrial and commercial applications. Polypropylene is also resistant to most acids, alkalis, and solvents, ensuring long-lasting performance in demanding environments.
10mm – 250mm (custom diameters available upon request)
Ready to order your Polypropylene Rod?
Cut to size, precision finished and dispatched Australia-wide. Not sure which material suits your job? We'll help you choose the right one.
Related Products
Technical Specifications
| Material Type | Polypropylene (PP) |
| Polymer Family | Polyolefin |
| Colour | Natural (Translucent), Grey |
| Density | ~0.90 g/cm³ |
| Tensile Strength | ~30–38 MPa |
| Flexural Strength | ~40–50 MPa |
| Elastic Modulus | ~1.3–1.7 GPa |
| Working Temperature Range | 0°C to +100°C |
| Max Short-Term Temperature | ~120°C |
| Water Absorption (24 hrs) | <0.01% |
| Electrical Insulation | Excellent |
| UV Resistance | Poor (unless UV-stabilised) |
| Chemical Resistance | Excellent (acids, alkalis, salts) |
Frequently Asked Questions
What is polypropylene (PP) rod used for?
Polypropylene rod is used to machine or fabricate components requiring chemical resistance, low moisture absorption, and fatigue resistance. Common applications include chemical processing parts, tanks and fittings, valve components, spacers, rollers, laboratory equipment, and water treatment components.
What are the key properties of polypropylene rod?
PP rod offers excellent chemical resistance, very low moisture absorption, good fatigue resistance, and low density. It is tough and flexible but has lower stiffness and temperature resistance compared to engineering plastics like nylon or acetal.
Can polypropylene rod be machined or welded?
Yes. Polypropylene rod can be machined using lathes and CNC equipment, though its flexibility requires proper support. It is also highly weldable using hot air or extrusion welding, making it suitable for fabricated assemblies.
How does polypropylene rod compare to PVC or nylon rod?
Polypropylene has better chemical resistance and weldability than PVC but is softer and less rigid. Compared to nylon, PP has lower strength and wear resistance but far better chemical resistance and moisture stability.
What applications is polypropylene rod best suited for?
Need this custom cut or fabricated?
Send us your drawing (DXF, DWG, PDF, EPS, STEP) and we'll quote your Polypropylene Rod to spec.
What you can make with Polypropylene Rod

Cutting Boards
Food-grade HDPE boards for commercial kitchens and processing.

Chemical Tanks
PVC fabricated tanks for aggressive chemical storage and dosing.

Plastic Tanks
HDPE fabricated tanks for water, chemical, and industrial storage.

Marine Tanks
HDPE tanks for bait, live wells, and onboard water storage.

Containment Systems
PVC bund lining and secondary containment for chemical storage.
Welded Assemblies
Hot-air and extrusion-welded PP fabrications for tanks and ducting.

Ute Dividers
Custom HDPE ute tray dividers for separating loads, tools and equipment. Tough, weatherproof plastic panels cut to size for tradies and fleet vehicles.

Conveyor Components
Polypropylene guides and trays for wet and corrosive environments.
Guides & articles
7 Types of Plastic and Their Resin Identification Codes (RICs)
We’re surrounded by plastic-from food containers to clothing, it is very unmistakably a part of modern life. Not all plastics are created equal, though. Knowing the various kinds of plastic and their corresponding Resin Identification Codes (RICs) is fundamental to recycling and reuse, as well as in choosing products we consume. The resins used for […]
Read guide →latest newsHistory of Australian Care
From the moment we wake up to the time we go to bed, we are surrounded by plastic products. It is hard to imagine a world without plastic, as it has become so ubiquitous. The convenience and versatility of plastic have made it a popular material in every industry. However, with every passing day, the […]
Read guide →comparisonsThe Differences between Fabricated and Roto-moulded Tanks
There are five important areas where Chemical Vessels fabricated from extruded HDPE differ from Roto-moulded vessels manufactured from LLDPE, LDPE or LMDPE. Ability to Design a TANK that suits its PURPOSE All plastics materials that are subject to stress will age with time. This requires that vessels holding dangerous chemicals are manufactured from materials whose […]
Read guide →Processing Services
Services available for this product
Plastic Welding
Hot-air and extrusion welding for PP tanks and ducting.
Learn moreTank Fabrication
Custom PP tanks, vessels, and bund linings.
Learn moreCNC Routing
Profiling, drilling, and cutting polypropylene sheet.
Learn moreFabrication
Bending, assembly, and finishing of PP components.
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