HS CODE 6907909000
Magnesia MgO Heater ElementHigh purity MgO heater elements are produced by optimum blend ofsea- water process Magnesia and natural Magnesite. With high therThe companynductivity and electrical resistivity, these grades cover entireoperating range of heater element, from low to high temperatures. HE- MS*HE- MHE- LChemicalAnalysis (% ) MgO97 296 395 3CaO1. 2 0. 51. 2 0. 52. 0 0. 5SiO21. 2 11. 2 11. 5 1Al2O30. 7 0. 50. 7 0. 50. 7 0. 5Fe2O30. 2 0. 10. 3 0. 10. 4 0. 1SieveAnalysis (% ) 40 mesh (425 m) 1. 0 1. 01. 0 1. 01. 0 1. 060 mesh (250 m) 30 1030 1030 1080 mesh (180 m) 22 722 722 7200 mesh (75 m) 35 735 735 7325 mesh (45 m) 8 48 48 4- 325 mesh4 34 34 3Tap Density (ASTM) (g/ cc) 2. 300. 052. 300. 052. 300. 05Flow Rate (ASTM) (sec/ 100g) 220 >220 >240 >Insulation Resistance (M) 400 C (752 F) 2000 <700 C (1, 292 F) 60 <40
