White Fused Alumina(Refractory grade)

No.	Origin
Price ��Ԫ/	Specifications
brief descriptionWhite Fused Alumina(Refractory grade)



Details White Fused Alumina(WFA or WA)is made from chemical by Higgns furnace or Tilting furnace at high temperature.It is very important raw material for advanced refractories and abrasives.Its properties are as folowing. Properties Lower sodium ��I�� Middle sodium ��II�� Fraction(mesh) 0-1 1-2 3-5m/m Fine(mesh) 0-180 0-320 Fraction(mesh) 0-1 1-2 3-5m/m Fine(mesh) 0-180 0-320 Guarantee value Typical value Guarantee value Typical value Guarantee value Typical value Guarantee value Typical value Chemical Composition (%) ��-Al2O3 ��99 99.3 ��98.5 99.23 ��99 99.14 ��98.5 98.75 SiO2 ��0.2 0.15 ��0.3 0.22 ��0.4 0.12 ��0.4 0.19 Fe2O3 ��0.2 0.04 ��0.25 0.04 ��0.2 0.01 ��0.25 0.05 Na2O ��0.15 0.12 ��0.25 0.18 ��0.4 0.35 ��0.5 0.23 Principal crystalline phase ��-Al2O3 Crystal system Hexzagon Colour white True density (g/cm3) ��3.95 Packing density (g/cm3) 1.75-1.95 Mohs hardness 9 Linear expansion (1/��C) 8.3��10-4 Size(mm) 8-5 5-3 3-1 1-0 Fine(mesh) -80,-120,-240,

Basic information	Contact way
Release time: 2008year12month30day Company Name: Kaifeng Special Refractories Co.,Ltd Legal representative: Opening time: Company nature: Business model: Trade area:	Address: The Southern Tip of Jinming Ave,Kaifeng [HeNan/HeNan] Zip Code: Phone: 0378-3924274 Fax:- E-mail: zhang@kftn.com Web site: http://Kaifeng.refractories.org.cn Contact: Zhang (��)
For further information, please click to enter homepage