{"id":2155,"date":"2026-05-22T14:55:29","date_gmt":"2026-05-22T06:55:29","guid":{"rendered":"http:\/\/walleglobal.com\/?post_type=products&p=2155"},"modified":"2026-05-22T14:55:29","modified_gmt":"2026-05-22T06:55:29","slug":"engineering-plastic-seals","status":"publish","type":"products","link":"https:\/\/walleglobal.com\/de\/products\/engineering-plastic-seals\/","title":{"rendered":"Technische Kunststoffdichtungen"},"content":{"rendered":"\n
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Virgin PTFE<\/a><\/h4>
Material Introduction Polytetrafluoroethylene (PTFE), also known as Teflon, is a polymer material with unique properties. Its molecular structure contains fluorine atoms, which endow it with a variety of excellent characteristics, such as high heat resistance, chemical corrosion resistance, low friction coefficient, good electrical insulation, and outstanding surface non-stick properties. PTFE has a melting point of approximately 327\u00b0C, a continuous service temperature range of -200\u00b0C to 260\u00b0C, and can reach 300\u00b0C for short-term use. This wide operating temperature range allows PTFE to maintain stable performance even in high-temperature environments. In addition, …<\/div>
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Granular Virgin PTFE<\/a><\/h4>
Material Introduction Granular Virgin PTFE is virgin fine-cut granular PTFE resin engineered for creep-resistant packing and gasket fabrication. Characterized by ultra-high melt viscosity, the material is conventionally processed via powder compression molding followed by high-temperature sintering to produce components with smooth finished surface and superior dimensional stability. In terms of physical specifications, the resin features an average particle size of 32\u03bcm, bulk density of 0.29g\/mL and specific gravity of 2.17. It delivers outstanding mechanical performance with tensile strength of 54MPa and elongation at break of 500%, alongside a mold shrinkage …<\/div>
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Modified PTFE<\/a><\/h4>
Material Introduction PTFE filled Bronze, Carbon, Ceramic, Carbon Fiber, Ekonol, Glass Fiber, Glass Beads, Graphite, Mica, MoS2, Polyimide Description Filled PTFE (Filled Polytetrafluoroethylene) is a high-performance composite material made by using pure PTFE as a matrix and adding modifying fillers such as fiberglass, carbon fiber, graphite, molybdenum disulfide, and bronze powder through processes including mixing, compression molding, and sintering. While pure PTFE offers excellent chemical resistance and an extremely low coefficient of friction, it suffers from poor wear resistance, high creep, and a high thermal expansion coefficient. Filling modification significantly …<\/div>
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Virgin PEEK<\/a><\/h4>
Material Introduction Polyetheretherketone (PEEK) is a high-performance special polymer material with excellent physical and chemical properties. Its molecular structure contains repeating ketone and ether linkages, making it a semi-crystalline polymer. PEEK exhibits outstanding heat resistance, chemical corrosion resistance, mechanical strength, wear resistance, and electrical insulation, making it one of the highest-performing thermoplastics available today. PEEK has a continuous service temperature of up to 260\u00b0C, a melting point as high as 343\u00b0C, a heat deflection temperature under load of 316\u00b0C, and can withstand short-term temperatures up to 300\u00b0C. In addition, PEEK …<\/div>
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Polymer Filled PEEK<\/a><\/h4>
Material Introduction PEEK plus glass fiber, Carbon fiber, Graphite, Polytetrafluoroethylene, Ceramics Description Polymer Filled PEEK (Polyetheretherketone) is a high-performance thermoplastic composite. By adding fillers such as carbon fiber, graphite, polytetrafluoroethylene (PTFE), and molybdenum disulfide (MoS\u2082) into pure PEEK resin in specific proportions, the material\u2019s mechanical strength, wear resistance, thermal conductivity, and dimensional stability are significantly enhanced. Common types include carbon fiber reinforced PEEK and graphite\/PTFE modified PEEK. Polymer Filled PEEK exhibits very high heat resistance, with a long-term continuous use temperature of up to 260\u00b0C and short-term tolerance exceeding 300\u00b0C …<\/div>
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UHMWPE<\/a><\/h4>
Material Introduction Ultra-High Molecular Weight Polyethylene (UHMWPE) is a thermoplastic engineering plastic with excellent comprehensive properties. Its molecular weight is usually above 1.5 million, and can even exceed 3 million. It is a linear polyethylene with no branches. The basic properties of UHMWPE include: density of 0.920\u20130.964 g\/cm\u00b3, melting point of 130\u2013136\u00b0C, and heat deflection temperature (at 0.46 MPa) of 85\u00b0C. UHMWPE possesses many unique physical and chemical properties that make it stand out among materials. For example, its wear resistance is exceptional: 5\u20137 times that of ordinary plastics, 7\u201310 …<\/div>
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