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This product selects high-quality materials, pressing in molding machine, and low baking, It can be used with all kinds of tundish nozzles, and this product has advantages of high product strength, good thermal shock stability and erosion resistance.
Physical and chemical indexes
Indexes
Item
Al2O3%
MgO %
C %
Apparent porosity g/cm3
Bulk density g/cm3
Crushing strength
Name
Regulation diameter nozzle with block
DZ-1
≥75
15
9
≥2.6
≤24
≥50
DZ-2
≥65
≥10
≥2
≥2.7
≤22
≥60
Quick change nozzle using block
KZ-1
≥70
≥12
≤20
KZ-2
/
≥6
≤19
Long nozzle block
SZ
≥80
Key words :