Alumina Ceramic Roller

Alumina ceramic roller was made by high quality alumina powder via specially ratio and advanced process and firing in natural gas kiln. This product with the advantages of excellent mechanical strength, thermal shock resistance, high bending strength, and long life. Mainly used in roller kilns for floor tile, wall tiles, sitall tiles, etc.

Product introduction

Feature

excellent mechanical strength

thermal shock resistance .

thermal expansion coefficient is small.

resistance acid and alkali. Corrosion.resistance.

long life

strong hardness

no bending

Technical Data:

代号 code

RSA-60

RSA-70

RSA-75

RSA-80

RSA-85

氧化铝含量%

65% min

72% min

76% min

81% min

85% min

使用温度

Max

use temperature ^OC

1150 ^OC

1230 ^OC

1280 ^OC

1350 ^OC

1450 ^OC

直线度Straightness

<0.06%

<0.05%

吸水率

Rate of water

Absorption %

≤11

≤9

≤8

≤7

密度 Relative

g/cm³

2.6

2.7

2.8

2.9

抗弯强度

Bending strength

Mpa

≥40

≥45

≥50

≥52

≥60

热稳定性

Thermal shock resistance

Excellent

耐火度

Refracgtory ^OC

≥1680

≥1700

≥1760

≥1800

≥1850

Standard Size

直径 diameter	总长度 overall length	直径 diameter	总长度 overall length
Ø 85 mm	5000 mm max	Ø 40 mm	3500 mm max
Ø 80 mm	5000 mm max	Ø 36 mm	3300 mm max
Ø 60 mm	4600 mm max	Ø 35 mm	3300 mm max
Ø 55 mm	4600 mm max	Ø 33.7 mm	3100 mm max
Ø 50 mm	4500 mm max	Ø 31 mm	3100 mm max
Ø 45 mm	3800 mm max	Ø 25 mm	3000 mm max
Ø 42 mm	3500 mm max	Ø 20 mm	3000 mm max

Main application

Table ware

Sanitary ware

Industrial ceramic

Magnetic materials

Ceramic tiles and brick include glazed wall tiles,floor tiles, vitrified tiles.

Industrial furnace