ceramic tube technical indicators

naterial

65 porcelain

75 porcelain

80 porcelain

85 porcelain

90 porcelain

95 porcelain

99 porcelain

al2o3

65

75

80

85

90

93

99.3

fe2o3

≤ 4

≤ 2

≤ 1.5

≤ 1.0

≤ 0.5

≤ 0.5

≤ 0.3

desnsity:g / cm3

2.8

3.10

3.20

3.40

3.50

3.60

3.85

vickers hardulus

7.5

≤ 7.8

≥ 8

≥ 8.6

≥ 8.8

9

9

water absorption: %

≤ 4

≤ 1

≤ 0.5

≤ 0.2

≤ 0.1

≤ 0.085

≤ 0.01

refractoriness:℃

1300 ℃

1400 ℃

1450 ℃

1580 ℃

1600 ℃

1650 ℃

1800℃

flexural strength: mpa

80

100

150

180

200

240

280

wear rate(at room temperature,erosion, 100 grinding) %

≤ 5

≤ 4.5

≤ 3.5

≤ 3

≤ 2.5

≤ 1

≤ 0.5

ceramic tube