ceramic balls

Al2O3(%)

20~30

30~45

45~70

70~90

≥99

Water Absorption(%)

≤5

≤5

≤5

≤5

≤1.5

Acid resistance(%)

≥98

≥98

≥98

≥98

≥98

Alkali resistance(%)

≥80

≥82

≥85

≥90

≥95

Thermal shock resistance, ℃(℃)

≥130

≥200

≥500

≥700

≥800

Crushing strength

kg/Grain

Φ3

≥0.12

≥0.14

≥0.15

≥0.16

≥0.20

Φ6

≥0.40

≥0.42

≥0.44

≥0.48

≥0.50

Φ8

≥0.48

≥0.52

≥0.60

≥0.62

≥0.65

Φ10

≥0.60

≥0.70

≥0.80

≥0.90

≥1.00

Φ13

≥1.00

≥1.10

≥1.30

≥1.50

≥1.80

Φ16

≥1.50

≥1.60

≥1.80

≥2.30

≥2.60

Φ20

≥1.80

≥2.00

≥2.30

≥2.80

≥3.20

Φ25

≥2.50

≥2.80

≥3.20

≥3.60

≥4.00

Φ30

≥3.00

≥3.20

≥3.50

≥4.00

≥4.50

Φ38

≥4.00

≥4.50

≥5.00

≥5.50

≥6.00

Φ50

≥6.00

≥6.50

≥7.00

≥8.50

≥10.00

Bulk density(kg/m3)

1300~1400

1400~1500

1500~1600

1600~1800

1900~2200