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PEEK plastic materials are high-purity materials with extremely low volatile organic compound (VOC) content and low exhaust emissions. In addition, its water absorption rate is extremely low, only 0.03%, so it can be used in vacuum environments such as aerospace without worrying about its exhaust emissions. Due to the extremely low metal ion pollution, PEEK plastic materials have become the best choice for most demanding industries, such as semiconductor, solar and medical industries.
Can PEEK plastic materials be injection molded? Yes, PEEK plastic materials can be injection molded using standard IM machines. Depending on the specific PEEK grade, the operator must set the processing temperature correctly, taking into account PEEK's high melting temperature, which is usually around 350℃ ~ 400℃. PEEK pellets/powders must be thoroughly dried before injection molding because they tend to absorb moisture from the atmosphere, and the operator's goal is to have a moisture content of less than 0.02%. It must also be ensured that residual materials from previous injection molding operations do not mix with PEEK; due to PEEK's high melting temperature, any contamination from other plastics will quickly degrade and leave unsightly marks.
What are the advantages of PEEK plastic materials in injection molding? The advantage of PEEK plastic materials in injection molding is that it is one of the most robust and durable plastics that is easy to injection mold. Its inherent self-lubrication allows PEEK to slide easily into molds and helps reduce friction during the injection stage. It exhibits good flowability when melted, and produces components that are comparable in strength to metal components, while weighing only half (or even less) of the metal components. PEEK plastic materials allow for highly complex geometries in injection molding that cannot be achieved with many (if any) other available high-performance, lightweight materials.
What is the difference between PEEK plastic materials and ethanol? PEEK plastic materials are high-performance engineering thermoplastic materials, while ethanol is a colorless volatile liquid used as a solvent and fuel source. Although PEEK exists in solid form at environmental temperatures, ethanol is a liquid at room temperature. Ethanol is the main ingredient in alcoholic beverages, and is produced by anaerobic fermentation of sugars into ethanol and carbon dioxide. In contrast, PEEK is created using aromatic monomer units in a stepwise polymerization process.
Is PEEK plastic material toxic? Most safety data sheets do not indicate any physical hazards or hazardous states from OSHA or other regulatory agencies, nor do they suggest any toxicological threats. PEEK has not shown to leach harmful chemicals and only causes mechanical irritation when ingested, inhaled, or in contact with skin/eyes.
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