Ceramic Modified PEEK
Overview
Ceramic Modified PEEK is a composite material where polyether ether ketone (PEEK), a high-performance thermoplastic, is reinforced with ceramic particles such as alumina or zirconia. This modification enhances PEEK's inherent properties, including thermal stability, mechanical strength, and wear resistance, making it suitable for extreme environments. The material is widely adopted in industries requiring durability under high loads or temperatures, such as aerospace, automotive, and medical devices. Its biocompatibility and resistance to sterilization also make it ideal for surgical tools and implants.
Physical and Chemical Properties
Ceramic Modified PEEK exhibits a melting point of around 343°C, retaining structural integrity up to 260°C continuously. The ceramic fillers improve its hardness and reduce coefficient of friction, making it resistant to abrasion and deformation under stress. Chemically, it is inert to most solvents, acids, and bases, though prolonged exposure to concentrated sulfuric acid may degrade it. Its low moisture absorption (<0.1%) ensures dimensional stability in humid conditions.
Main Applications
In aerospace, it is used for bushings, bearings, and turbine components due to its lightweight and high-temperature performance. Automotive applications include transmission seals and piston parts, where reduced friction prolongs component life. The medical field leverages its biocompatibility for spinal implants and dental instruments. Industrial uses involve pump seals and electrical insulators, where chemical resistance and dielectric properties are critical.
Safety and Storage
While Ceramic Modified PEEK is non-toxic at room temperature, processing temperatures above 400°C may release hazardous fumes. Adequate ventilation and PPE (e.g., respirators) are recommended during machining or injection molding. Store pellets or finished parts in sealed containers to prevent moisture absorption. Avoid prolonged UV exposure to prevent surface degradation.
B2B Procurement Guide
When sourcing Ceramic Modified PEEK, specify filler content (typically 10-30% by weight) and particle size (microns) to match application requirements. For high-wear parts, zirconia-filled grades offer superior hardness. Compare supplier certifications (e.g., ISO 13485 for medical use) and request material datasheets with tested mechanical properties. Bulk orders (100+ kg) often qualify for discounts, but lead times may vary due to custom compounding.
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