Anti-oxidation silica carbide pouring material
A silicon carbide and castable technology, applied in the field of refractory materials, can solve the problems of the influence of construction thickness, the service life is not long, and it is difficult to adapt, so as to overcome the loose local structure, increase the usable time, and improve the usable time.
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[0028] Example 1, the anti-oxidation silicon carbide castable suitable for spring and autumn, its component weight ratio relationship is:
[0029] Large crystalline silicon carbide particles 7-5mm 20 parts
[0030] 5-3mm 15 parts
[0031] 3-1mm 20 parts
[0032] 1-0mm 16 parts
[0033] Silicon carbide matrix <320 mesh 10 parts
[0034] Fast alumina cement 5 parts
[0035] Slow alumina cement 5 parts
[0036] al 2 o 3 Micropowder ≤4μm 5 parts
[0037] SiO 2 Micropowder ≤1μm 4 parts
[0038] Plus:
[0039] 0.15 parts of boric acid
[0040] Aluminum powder 0.3 parts
[0041] 0.8 part of silicon fume Example 2 is applicable to the anti-oxidation silicon carbide castable in winter, and its component weight ratio relationship is:
[0042] Large crystalline silicon carbide particles 7-5mm 18 parts
[0043] 5-3mm 16 parts
[0044] ...
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