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white alundum-欧洲杯投注官网

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
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add:no.99 rencheng avenue,jining,shandong
tel:86-537-2317667 fax:86-537-2317557
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