Fused Mullite

Short Description:

Description of Fused Mullite:Fused mullite is a high-purity refractory material made by melting high-purity quartz sand and industrial alumina in an electric arc furnace at a certain ratio and then co...


  • · Good thermal shock stability
  • · High load softening point
  • · Low high-temperature creep
  • · Good chemical corrosion resistance
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  • ·

Product Detail

Description of Fused Mullite:

Fused mullite is a high-purity refractory material made by melting high-purity quartz sand and industrial alumina in an electric arc furnace at a certain ratio and then cooling it.

 

Fused mullite has the characteristics of well-developed needle-shaped crystals, high flexural strength, uniform expansion, good thermal shock stability, high load softening point, low high-temperature creep, high

 hardness, and good chemical corrosion resistance. RongSheng’s fused mullite can be customized according to customer requirements.


Application of Fused Mullite:

Fused Mullite is widely used in manufacturing many refractory products,like the low creep-rupture bricks for the hot-air stove,melting-iron groove or torpedo car,high-temperature industrial kiln,glass melting 

furnace,as well as in producing high-temperature saggers or shed planks,etc.


Technique Data of Fused Mullite:


ItemUnitData
AL₂O₃%72-77
SiO₂%23-29
Fe₂O₃%≤0.10
R₂O%≤0.50
RO%≤0.30
Mullite Phase Content%≥95
Glass Phase Content%≤5
True Densityg/cm³≥3.2
Refractoriness≥1840
Grain Sizemm0-1,1-3,3-5
Powder Sizemesh-200,-325



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