Carbon reactivity for high temperature furnace wire tube for electric furnace wire heating coke reactivity measuring equipment easy to wear easy consumables, the consumables according to national standardsGB/T4000-2008 wɛ̈t bɛ̈n looi, ka cɛ̈ɛ̈r ye 140mm, ka cɛ̈ɛ̈r ye 160mm, ka cɛ̈ɛ̈r ye 640mm, ka cɛ̈ɛ̈r ye 2.8mm.