High temperature MgO powder GZ-8A

Mgo powder suit to working condition: 7W/cm squ surface loading (650-700 degree Centigrade)

GG-#8 is mainly used for stainless steel electric heating tubes(bright)with water or oil as the heat transfer medium.steady electrical property :8W/cm2 surface loading (800 oC) Its moisature resistance is good.The leakage of electric is less than 0.3MA

Chemical Index :(%) Mgo:97  CaO 0.9      Fe2O3 0.38      Al2O3 0.2     SiO2  1.0

Physical Index :    Flow rate: ≤195 s/100g       tape density: 2.30±0.04 g/cm3

Electrical property:   Normal condition:  Insulation Resistance: ≥1000MΩ

                                                          Puncture Voltage:     ≥  2000 V

                              Working conidition : surface loading:  7W/cm2

                                                            Leakage current: ≤ 0.3MA

                                                            Insulation Resistance: ≥ 10 MΩ

                                                            Puncture Votage:    ≥1800V

                              Moisture Condition   Insulation Resisitance ≥1000MΩ

                                                            Puncture Votage:    ≥ 2000V

High temperature MgO powder GZ-8A