High alumina ball

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High alumina ball
Posting date : Aug 23, 2007
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28-
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Detailed Description
This product is mainly used in mechanical,electronics and spaceflight,also used infertilizer,chemical engineering and other fileds.Main performance indices are as stated: Al2O3: 80-90% Specific gravity g/cm3: 2.8-3.5 SiO2: 3-17% Thermal conductivity cal/g degree: 0.17-0.20 MgO : 0.5% Compressive strength kg/cm2: > 1500 Fe2O3: 0.3% Hardne Hardness ss mohs : >and=7 grade Ca0 : 0.2% Wear loss % : 0.05 Na20 : 0.1% Water absorption % : < 1 Others : tittle Remarks: Any technological indices can be produced as per user requirements.

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