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GT 3300                                                                                                    GT 4000


                   NICKEL-PLATED ALUMINUM FILLED                                                                              SILVER-PLATED GLASS BEAD FILLED
                   CONDUCTIVE SILICONE                                                                                        CONDUCTIVE SILICONE

                                                                                                                                                                                                      •  Low density
                                                                                 •  Good corrosion resistance                                                                                         •  Compatible with most alloys
                                                                                 •  High shielding effectiveness                                                                                      •  Excellent high-frequency performance
                                                                                 •  Lower galvanic corrosion with all                                                                                 •  Very stable at high temperature
                                                                                    types of aluminum flanges                                                                                            (200°C peak)













         Properties             Standards- Tests  GT 3300                        Shielding efficacy
       Type MIL G 83528                             -                                                                           Properties           Standards  -   GT 4000  Specification
                                                                                                                                                        Test               MIL G 83528
       Elastomer                                  Silicone
                                                                                                                              Type MIL G 83528                      M           -
       Conductive filler                        Nickel-plated                                                                 Elastomer                           Silicone      -
                                                 aluminum
       Volume resistivity (Ω.cm)  MIL G 83528      < 0.5                                                                                                        Silver-plated
       Hardness (shore A)        ASTM D 2240      70 ± 5       Attenuation (dB)                                               Conductive filler                  glass bead     -
       Density (g/cm )            ASTM D 792       1.88                                                                       Volume resistivity (Ω.cm)  MIL G 83528  < 0.015  0.06
                 3
                                  Method A
       Break resistance (Mpa)     ASTM D 412       1.73                                                                       Hardness (shore A)     ASTM D 2240    67        65 ± 7
                                  Method A C
                                                                                                                                        3
                                                                                                                                                      Method A
       Elongation at break (%)    ASTM D 412       300                                                                        Density (g/cm )        ASTM D 792    2.00     1.90 ± 13%
                                  Method A C
                                                                                                                                                                              1.37
       Tear resistance (N/mm)    ASTM D 624 C      4.70                                                                       Break resistance (Mpa)  ASTM D 412   2.47      Minimum
                                                                                                                                                     Method A C
       Residual deformation after                                                 Frequency (MHz)                                                    ASTM D 412
       compression 70 hours at 100°C    ASTM D 395   30                                                                       Elongation at break (%)  Method A C  180       100 - 300
                                   Method B
       (%)                                                                                                                                                                    5.25
       Resistance to salt spray after              100                               Vibration testing                        Tear resistance (N/mm)  ASTM D 624 C  8.06     Minimum
       500 hours (mΩ-cm)                                                                                                      Residual deformation after
       Continuous operating                    -55°C to +125°C                                                                compression 70 hours at   ASTM D 395   25        30
       temperature                                                                                                            100°C  (%)              Method B              Maximum
       Shielding effectiveness                    > 90 dB                                                                     Continuous operating                -55°C to   -55°C to              available formats
                                                                                                                                                                             +160°C
                                                                                                                                                                  +160°C
                                                                                                                              temperature
       Color                                       Grey          Volume resistivity Ohm-cm                                    Color                             Grey / Beige    -                   Molded
                        available formats                                                                                                                                                           Customized cutting
                          Molded                                                                                                                                                                    Adhered by vulcanization
                          Customized cutting                                                                                                                                                        Sheet

                          Extruded                                                                                                                                                                  Adhesive
                         Adhered by vulcanization
                          Sheet

                          Adhesive



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