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PFA SCREW

PFA Screws (Perfluoroalkoxy) combine the chemical resistance of PTFE with the processability of FEP. They withstand continuous use at 260℃ and feature an extremely low friction coefficient. Ideal for semiconductor, chemical, and high-purity applications.
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PFA Screws – Applications in Key Industries

🧪 Semiconductor Wet Processes & Chemical Piping – High Purity, Chemical Resistance

PFA screws are ultra-pure and highly resistant to nearly all chemicals. Ideal for acid/alkali tanks, chemical pipe flanges, and wafer cleaning tools—minimizing metal ion contamination.

🍞 Food & Pharmaceutical – FDA-Compliant, Non-Stick

Safe for food contact, suitable for conveyors, tooling, and CIP/SIP washdown environments. Non-stick and easy to clean; documentation available upon request.

📟 Electronics – High Insulation & Heat Resistance

Excellent dielectric properties with continuous service up to 200–260 °C. Suitable for furnace zones, insulation barriers, and test fixtures.

❄️ Low Friction & Low Outgassing – Vacuum Applications

Non-stick surface, very low outgassing, suitable for vacuum chambers, optics, and precision measurement setups requiring ultra-clean fastening.

⚠️ Notes – Strength & Cost

PFA has lower strength than PEEK or PPS and is more expensive than PTFE. Best used for high-purity, chemical-resistant needs rather than heavy mechanical loads.

工程塑膠選材指南-中文.pdf
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