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white alundum

white alundum

Product yield:10000mt/year
producers:Jining Canal Emery Co.,Ltd.
Product yield:10000mt/year
producers:Jining Canal Emery Co.,Ltd.
 
Product description:It use the high-quality aluminum oxide powder as material through smelting in electrical furnace, it has the property of white color, high hardness, little bit lower toughness, high purity, excellent self-sharpening, strong grinding, small thermal creating, high efficiency, high anti-acid alkali corrosion , anti-high temperature, good thermal stability. 
Physical and chemical indicators:Implementation of standards(GB/T2479-1996)

No

Item Unit Guarantee Value Typical Value
1 Apparent Density G/cm3 1.56(Min) 1.56 to 1.60
2 Electrical Resistivity Microohm-mu 56(Max) 52.0-56.0
3 Real Density G/cm3 2.06(Min) 2.06-2.10
4 Compress strength Mpa 38(Min) 38-45
5 Co2 reactivity Residue % 91(Min) 91-95
Ash % 2.5(max) 1.0-2.5
6 Air Reactivity Residue % 92(Min) 93-97.5
Ash % 2) 0.1-2.0
7 Thermal Conductivity W/mk 3.0(Min) 3.0-4.5
8 Flexural Strength Mpa 9.0(Min) 9.0-13.0
9 Permeability NPm 2.3(Max) 0.5-2.3
10 Thermal Exposure k-1 4.0*10-6(Max) 3.0-4.0
11 Ash % 0.3(max) 0.5-2.3
12 Fe ppm 374(max) 580-374
13 Si ppm 275(max) 540-275
14 S % 1.2(max) 1.0-1.2
15 Ni ppm 250(max) 250-182
16 V ppm 150(max) 69-150
17 Na ppm 100(max) 42-100
?2015 Jining Carbon Group Co.,Ltd ALL RIGHTS RESERVED
Add:No.99 Rencheng Avenue,Jining,Shandong
Tel:86-537-2317667 Fax:86-537-2317557
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