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CNC machining materials

CNC Machining PP (Polypropylene)

Polypropylene (PP) is a cost‑effective semi‑crystalline thermoplastic widely favored for outstanding chemical resistance, near‑zero moisture absorption, light weight and good impact performance. Certain PP variants meet food‑contact requirements, making it popular for fluid handling and corrosive environment applications. At Evefab, we deliver precision CNC milling and turning to manufacture custom PP parts for rapid prototyping and low‑to‑medium‑volume production.

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CNC Machined Parts from PP

PP

Description

Applications

CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.

Strengths

Excellent mechanical properties,High accuracy & repeatabillity

Weaknesses

Greater geometry restrictions than 3D printing

Characteristics

Price
Mill Lead Time

As fast as 3 days

Colors

White (semi-clear or opaque)

Available material grades

CNC Machining Service for PP
PP

At Evefab, we deliver high‑quality custom CNC machined polypropylene parts. We handle homopolymer & glass‑filled PP, control thermal deformation for fixtures, fluid‑handling assemblies. Fast turnaround & DFM support.

PP (Polypropylene) FAQs

  • What is polypropylene plastic used for?

    Polypropylene (PP) resists most solvents and chemicals, which makes it a wonderful material to manufacture laboratory equipment and containers for a variety of applications. PP also offers good fatigue strength.

  • What are the disadvantages of polypropylene?

    The disadvantages of polypropylene are:
    Its post-cooled resistance to adding coatings such as paint or ink.
    If the fiber becomes too hot, there is a tendency to break.
    PP is highly flammable and will melt when exposed to heat. It has a flash point of 260° Celsius.
    It can often suffer from chain degradation leading to oxidation, which subsequently results in cracks and crazing.
    It is prone to damage from UV light.

  • Is polypropylene a medical-grade material?

    Yes, Polypropylene is a medical-grade plastic material that is cost effective. It is often used where steam-sterilized medical equipment is necessary. Due to the sterilization and transparent processes, PP has grown in popularity within the medical industry. It’s ability to withstand relatively high temperatures, cleaning agents, solvents, disinfectants, combined with the moderate cost, promises application in this sector for years to come.

  • Is polypropylene a strong material?

    Yes, Polypropylene (PP) can withstand fairly heavy loads, despite being lightweight, and offers good fatigue strength. It also resists most solvents and chemicals, which makes it a suitable material for manufacturing laboratory equipment and containers for a variety of uses.
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