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EXTRUSION                                                                                                                Guide to extrudable conductive materials




         TECHNICAL FILE                                                                                                           Most GT conductive materials can be extruded in a variety of cross-sections and profile shapes. By vulcanizing the

                                                                                                                                  ends of the extruded gasket, custom O-rings can be produced without tooling costs and within very short lead times.

                                                                                                                                  Take a look at our range of standard profiles, or contact us for customized profile requests.





                                                                                                                                                                            SILICONE ELASTOMER
                                                                                                                                            Material      Type MIL    Conductive filler     Maximum resistivity (mΩ/cm) MIL G 83528
                                                                                                                                            GT 1000         K        Silver-plated copper                 15
                                                                                                                                            GT 1015         A        Silver-plated copper                 15
                                                                                                                                            GT 2020          E            Silver                          10
                     Collaboration between our design office and our methods department means that you can
                     benefit from our expertise to define your profile and design your tool. Our flow simulation                            GT 2024                       Silver                          10
                     software will guarantee an optimal result that perfectly matches your requirements. Our                                GT 3000          L       Silver-plated Nickel                 15
                     production  department  benefits  from  an  area  dedicated  to  extrusion,  with  the  latest                         GT 3100                    Nickel Graphite                    100
                     generation of equipment to produce high-precision products in large production runs.                                   GT 3300                 Nickel-plated aluminum               < 0.5

                     Our multi-material co-extrusion lines are dedicated to extruding a product made of two                                 GT 4000         M       Silver-plated glass bead          < 0.015 Ω-cm
                     different materials and are mainly used to produce our range of bi-material solutions.                                 GT 5000         B       Silver-plated aluminum                 8
                                                                                                                                            BL 10 000                     Carbon                        < 6 Ω-cm
                     We can also produce high-precision extrusions using our micro-profile line, enabling us
                     to extrude diameter between 0.2 and 20 mm. Our continuous laser inspection system
                     provides access to SPC (Statistical Process Control) analysis, ensuring that stable products                                                        FLUOROSILICONE ELASTOMER
                     are produced in compliance with specifications.                                                                        Material      Type MIL    Conductive filler     Maximum resistivity (mΩ/cm) MIL G 83528

                                                                                                                                            GT 1007         C        Silver-Plated copper                 15
                     With a production rate of 200 Kg per hour and continuous filtering and degassing facilities,
                     our salt bath extrusion line can produce high volumes of products within short lead time.                              GT 2027          F            Silver                          10
                                                                                                                                            GT 3007                  Silver-plated Nickel                 15
                                                                                                                                            GT 3107                    Nickel Graphite                   100
                                                                                                                                            GT 5007         D       Silver-plated aluminum                12
                     The advantages of extrusion                                                                                            BL 10007                      Carbon                       < 12 Ω-cm

                     • Complex profiles can be achieved
                     • Flexible joints with a high degree of deformability can be obtained.
                     • Hollow profiles can be produced
                     • Continuous production capacity                                                                             RADIUS OF CURVATURE
                     • Reduced weight
                     • Cost-effective solution through raw material optimization
                     • Finished products can be produced in specific extended lengths
                     • Applicable tolerances from ± 0.07 to 0.3 mm depending on the diameter












                                                                                                                                            Solid round section   The minimum inner radius of curvature is 1.5 times the cross section of the profile
                                                                                                                                                               The minimum inner radius of curvature is 2 times the cross section of the profile
                                                                                                                                         Hollow round section (tube)
                                                                                                                                                               insofar as the inner diameter of the tube does not exceed 30% of its section




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