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                    Hello!Welcome toZhuzhou Hongda Polymer Materials Co.Official website

                    Consulting hotline+86 731 22321606

                    Carbon filled PTFE

                    Release date:2023-09-15 Publisher: 原創 Views:1811

                                                                           Carbon filled PTFE


                    Virgin PTFE is capable in its own right, but when fillers are added, it enhances the material wear and deformation characteristics to more fully exploit their unique combination of chemical, physical and electrical properties.

                    The fillers can increase the thermal conductivity of PTFE. Regular fillers can be fiberglass, graphite, carbon, bronze, stainless steel, molybdenum disulfide, etc. These fillers are chosen according to the application.


                    The most common filled grades and its resulting enhanced mechanical properties are:


                    Glassfilled filled PTFE: 

                    Glass fillers are the most widely used fillers in PTFE. Due to high wear resistance, it is used in

                     hydraulic piston rings. Glass in the form of short glass fibers is usually filled in quantities of 15% to

                     25%. Increasing the Glass filler content results in an increase in durability and compressive strength.


                    Carbon graphite filled PTFE

                    Graphite has good chemical resistance to corrosive environments and exhibits good initial wear and

                     rubbing/sliding characteristics in dry and water applications. Commonly blended with carbon and

                     PTFE.


                    Molybdenum Disulfide filled PTFE

                    Due to low friction molybdenum disulfide fillers are used in dynamic seals.This filler is used frequently

                     in combination with others to increase surface hardness, stiffness, and to reduce the starting 


                    Carbon-filled PTFE comes with the advantages of reduced deformation under heavy load, better

                     compressive strength, low permeability, and improved wear resistance.


                    Bronze-filled PTFE has good wear resistance. It is used in bearing and piston ring applications.


                    Stainless steel-filled PTFE can be used in applications demanding high-temperature and heavy load

                     resistance.


                    +86 731 22321606
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