Iyo dense kupfeka-resistant refractory castable inogadzirwa refractory aggregate, refractory poda.binders nezvimwe zvinowedzera.
Chiedza-huremu refractory insulation inokandwa inogadzirwa nemhando yepamusoro-yemhando yechiedza-huremu aggregate, hupfu, musanganiswa uye binder.