China Wholesale 68% Alumina Balls Factory Quotes – Mid-Alumina Ceramic Ball Tower Packing – Zhongtai

Al2O3+SiO2

Al2O3

Fe2O3

MgO

K2O+Na2O +CaO

Others

> 93%

45-50%

<1%

<0.5%

<4%

<1%

Item

Value

Water absorption (%)

<2

Bulk density (g/cm3)

1.4-1.5

Specific gravity (g/cm3)

2.4-2.6

Free volume (%)

40

Operation temp.(max) (℃)

1200

Moh’s hardness (scale)

>7

Acid resistance (%)

>99.6

Alkali resistance (%)

>85

Size

Crush strength

Kg/particle

KN/particle

1/8”(3mm)

>35

>0.35

1/4”(6mm)

>60

>0.60

3/8”(10mm)

>85

>0.85

1/2”(13mm)

>185

>1.85

3/4”(19mm)

>487

>4.87

1”(25mm)

>850

>8.5

1-1/2”(38mm)

>1200

>12

2”(50mm)

>5600

>56

Size and tolerance (mm)

Size

3/6/9

9/13

19/25/38

50

Tolerance

± 1.0

± 1.5

± 2

± 2.5