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PTFE Gasket

PTFE Gaskets are formed by molding and sintering polytetrafluoroethylene raw material. This material is inert to almost all chemical media, placing it among the top industrial sealing materials in terms of chemical corrosion resistance, and it can withstand long-term attack from strong acids, strong alkalis, and organic solvents without swelling or degrading.

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This product also has a relatively wide temperature resistance range (-200°C to 260°C) and an extremely low friction coefficient. It does not stick or age over long-term use, and its sealing stability is minimally affected by changes in temperature and media. Thickness and outer dimensions can be customized according to customer flange specifications.

PTFE Gaskets are mainly used for flange sealing in chemical piping systems that come into contact with strongly corrosive media, and are also a commonly used material for valve sealing in industries such as pharmaceuticals and chemical fiber, providing long-term reliable sealing protection for equipment handling harsh chemical media and effectively reducing the risk of production shutdowns for repair caused by gasket corrosion failure.

It should be noted that the rebound performance of PTFE material itself is lower than that of rubber gaskets. During installation, it is recommended to tighten bolts evenly according to the recommended torque to avoid poor sealing-surface contact caused by insufficient preload. We can provide reference recommendations for installation torque.

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Taizhou Hexie Rubber Co., Ltd.
Taizhou Hexie Rubber Co., Ltd.

Taizhou Hexie Rubber Co., Ltd. specializes in the R&D and manufacturing of industrial sealing products, anti‑vibration components and custom silicone rubber products, offering both standard parts and non‑standard customization services. Our product portfolio includes various rubber seals, metal sealing rings, oil seals, hydraulic & pneumatic seals, high‑performance specialty seals, rubber vibration dampers, molded and extruded silicone goods. Materials such as NBR, FKM, EPDM, silicone, PTFE and FFKM are available for selection. Serving machinery, automotive, automation, food‑medical, new‑energy and other industries, we deliver reliable solutions for diverse complex working conditions with professional product selection and custom processing capabilities.

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