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Products
Brown Fused Alumina section sand for refractory

We choose high-quality bauxite and adopt tilting furnace, special cooling crystallization process Material is with High purity, high crystallinity, lower expansion coefficient, refractoriness above 1900, it’s the best raw material for refractory.

Use

Specification

Main Chemical Index %

Magnetic Material

Al2O3

Fe2O3

SiO2

TiO2

CaO+MgO

Refractory

Section sand

0-1mm

95.3-96.5

<0.3

<1.00

>1.6

0.55

<0.05%

1-3mm

3-5mm

5-8mm

 

 

Physical Index

Color

Brown

Refractoriness

>1900

Melting Point

2050

Compression Strength

34N

Molded Toughness

85%

Vickers Hardness

2100HV

True Specific Gravity

3.97g/cm3

Grain Composition

upper limit <5%, lower limit <5%

(Gap between upper limit and lower limit not over 10%)

Or per client’s standard

 

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