China factory Outlet Mullite Insulation Bricks Quality service
Mullite refractory insulating refractory bricks jm23 jm26 . JM23 insulation brick are processed through moulding under high pressure ans sintering at high temperature, and JM23 insulation bricks with feature of strong strength,steady bulk at high temperature and small creep rate, which are available for hot blast stove of large and middle size.
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