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Water-free taphole mix developed by our company and other research institutes features high strength,erosion resistance to iron slag and prominent service efficiency,and can control the depth of hot iron in order to make hot iron flow evenly and to get rid of slag iron completely,which guarantee the regular service of the furnace,have distinguished economic efficiency,raise safe coefficient of working condition and lower workers′ labor intensity.This product has been used by over 10 domestic enterpreises and exported to Russia and other countries.


Dry stemming Dry stemming
(environment protection type)
SLP-1 SLP-2
AL2O3% 35-45 40-50
SiC% 10-25 10-25
C% 10-15 8-12
Bulk density g/cm3 ≥2.0 ≥2.2
MPa modulus of rupture 1400℃×3h≥3 1400℃×2h≥5
MPa cold compressive strength 1400℃×3h≥8 1400℃×2h≥12
Change of curve % 1400℃×3h≤-1.5 1400℃×2h≤-1