CNC Machining in PP Material
At Jiangzhi, we offer expert CNC machining polypropylene parts tailored to your design and functional requirements. Whether you’re creating early-stage CNC PP prototypes or ready for batch production, our advanced CNC technology ensures accuracy, consistency, and speed.
Polypropylene is a lightweight, tough thermoplastic that offers excellent chemical resistance, making it ideal for industries like medical, chemical processing, food handling, and consumer goods. Our experience with milling polypropylene and turning complex CNC polypropylene shapes helps customers reduce development cycles and improve product reliability. From raw material sourcing to tight-tolerance finishing, we deliver end-to-end PP CNC machining solutions.
| Price | $$$ | |
|---|---|---|
| Tolerances | ±0.02mm | |
| Maximum Part Size | 2000mm x 1500mm x 500mm | |
| Minimum Feature Size | Φ 0.7mm | |
| Wall Thickness | 0.8mm | |
| Lead Time | About 3-6 days |
Machining Polypropylene Properties
| Tensile Strength, Yield (MPa) | Elongation at Break | Hardness | Impact Strength | Heat Deflection | Heat Deflection Temperature | Melting Point |
|---|---|---|---|---|---|---|
| 30–40MPa | 200–600% | R80–100 | 30–100J/m | 55°C | 50–60°C | 160–170°C |
- The above parameters represent the baseline performance of the materials. Actual application should be dynamically optimized based on specific working conditions.
Advantages & Disadvantages of PP CNC Machining
Advantages
- Chemically resistant – ideal for medical, lab, or chemical-use parts
- Lightweight & durable – great strength-to-weight ratio
- Low cost & widely available – suitable for prototypes and low-volume parts
- Hinge-capable fatigue resistance – perfect for living hinges or snap-fit designs
- Easy to mill – good machinability with proper tooling
Disadvantages
- Soft & ductile – may deform under high-speed cutting without care
- Lower dimensional stability – requires optimized fixturing and speeds
- Poor UV resistance – degrades with prolonged sun exposure
- Difficult to glue/paint – often needs mechanical fastening or specialized treatments
- Surface finish limitations – soft surface may not yield glossy finishes without post-processing
Surface Finishing Options for CNC Machined Polypropylene Parts
Standard finish with visible tool marks; suitable for functional prototypes and internal components.
Uses abrasive media to create a uniform matte or satin finish; also improves coating adhesion on plastic or metal surfaces.
Adds logos, text, or identification marks via silk screen or pad printing, ideal for branding or part tracking.
Removes machining marks and evens out surface texture; ideal for prototypes and parts where appearance is not critical.
Painting and powder coating provide colorful, durable, and corrosion-resistant finishes.
Deposits metal layers such as nickel or chrome on parts, improving wear resistance, conductivity, and aesthetic quality.
Produces a smooth, glossy finish; commonly applied to plastics like PC or PMMA for enhanced clarity and premium look.
Chemical treatment for ferrous metals, creating a dark, corrosion-resistant surface with minimal thickness.
Electrochemical process for aluminum that enhances corrosion and wear resistance, with options for colored finishes.
Jiangzhi CNC Polypropylene Machining Parts are Guaranteed
Yes. CNC polypropylene is machinable with the right tools and speeds. It’s ideal for flexible, chemically resistant parts.
Absolutely. With careful design, milling polypropylene can produce thin sections or living hinges. We’ll help review and optimize your files.
CNC PP is used in medical, lab, food handling, chemical processing, and more—anywhere chemical resistance and toughness are key.
Since PP is hard to glue, mechanical fastening or ultrasonic welding is recommended. We offer basic assembly support.
Yes, rough quotes are possible. For accurate pricing on PP CNC machining, we’ll need your CAD or 2D drawing.
