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> Minerals > Ceramic beads (Mullite beads) |
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Ceramic
beads (Mullite beads) |
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Ceramic beads (Mullite beads)
A kind of new product developed by our company , use special grade
bauxite and industrial calss alumin as raw materials. Melting at
arc furnace then use high pressure water fog made the materials
to littfeball shape . With low reversible thermal expansion, excellent
resistance to cracking and spalling . Used as casting materials
.
specification :
Al2O3 : 70-75%
SiO2 : 14-18%
Fe2O3 : 1.5-2%
CaO : 1.5% max
MgO : 1.5%
Size : 0.5mm to 0.045mm as per technical requirement |
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