What are the main differences between CF30 and GF30?

When comparing PEEK CF30 and GF30, both are high-performance thermoplastic materials, but they differ significantly in composition and properties.

PEEK CF30

Composition: PEEK CF30 is a carbon fiber reinforced PEEK, containing 30% carbon fiber, which enhances its rigidity and creep strength.

Mechanical Properties: It exhibits high mechanical strength, lower density compared to glass fiber reinforced variants, and improved wear and friction properties. The carbon reinforcement also provides excellent heat conductivity, making it suitable for applications involving sliding components.

Applications: This material is widely used in critical industries such as automotive, aerospace, nuclear, and medical fields due to its exceptional resistance to hydrolysis and high temperatures. It can withstand extreme environments, making it ideal for components like valve seats, pump wear rings, and gears.

Machining Considerations: Machining PEEK CF30 requires specialized tooling due to its carbon fiber content.

PEEK GF30

Composition: PEEK GF30 is glass fiber reinforced PEEK, typically containing 30% glass fibers. This composition provides different mechanical and thermal properties compared to carbon fiber reinforcement.

Mechanical Properties: While GF30 offers good rigidity and strength, it generally has lower impact resistance than CF30. Glass fibers can be more abrasive during machining processes compared to carbon fibers.

Applications: Similar to CF30, GF30 is used in various industrial applications but may not perform as well under high-temperature conditions or in environments requiring superior wear resistance. It is often utilized in less demanding applications compared to CF30.

Machining Considerations: GF30 also requires appropriate tooling; however, it tends to be more abrasive than CF30 during machining.

Summary Table

In conclusion, if your application demands higher mechanical strength, lower density, and better thermal properties, PEEK CF30 is the preferred choice. Conversely, for applications where cost-effectiveness is more critical and extreme conditions are not a factor, PEEK GF30 may suffice.