Industrial Application Alumina Bearing Ball

Model NO.: XT99
Color: White
Size: 3-50mm
Al2O3 Content: 99% Min
Acid Resistance: 99.8% Min
Max. Operating Temperature: 1550°c
Specific Density: 3.4G/Cm3
Bulk Density: 2.1g /Cm3
MOQ: 1000kg
Who We Are: Manufacture
Keywords: Alumina Ball
Trademark: XINTAO
Transport Package: Plastic Bag, Super Sack, Steel Drum
Specification: 3MM-50MM
Origin: Pingxiang, Jiangxi, China
HS Code: 690911
Model NO.: XT99
Color: White
Size: 3-50mm
Al2O3 Content: 99% Min
Acid Resistance: 99.8% Min
Max. Operating Temperature: 1550°c
Specific Density: 3.4G/Cm3
Bulk Density: 2.1g /Cm3
MOQ: 1000kg
Who We Are: Manufacture
Keywords: Alumina Ball
Trademark: XINTAO
Transport Package: Plastic Bag, Super Sack, Steel Drum
Specification: 3MM-50MM
Origin: Pingxiang, Jiangxi, China
HS Code: 690911
Industrial Application Alumina Bearing Ball
The XINTAO 99 High Alumina Support Media is in chemical composition99+% alpha alumina and a maximum 0.2wt% SiO2. Because of its high alumina content and low silica (SiO2 ), it's a very excellent and ideal product for high temperature and steam applications, such as secondary reformers in ammonia processing, where leached silica will coat downstream equipment or foul the catalyst bed. 
The XINTAO 99 High Alumina Support Media has very excellent thermal properties, with its high density high-temperature resistance 1550ºC, also it's a good choice for heat retention or deceleration media. 
For its superior chemical resistance, it's suitable for applications in ole fin processes, such as ethylene dryers, where there's the polymerization problem. 

Technical Parameter
Model XT99 Alumina Ceramic Ball
Color White
Shape Ball
Chemical composition   Min. % Max. % Usual %
  Al2O3 99 99.6 99.3
  SiO2 / 0.2 0.18
  Fe2O3 / 0.2 0.02
  TiO2 / 0.55 0.02
  CaO / 0.1 0.2
  MgO / 0.1 0.05
  Na2O / 0.25 0.1
  K2O / 0.2 0.13
Physical properties Leachable Iron (%) ≤0.01
  Apparent Porosity by Weight (%) ≤7.0
  H2O absorption (wt.%) <4.0
  Acid resistance (%) >99.8
  Alkaline resistance (%) ≥90
  Bulk Density  (g/cm3) 2.1
    (lb/ft3) 131
  Specific density (kg/m3) 3400
    (lb/ft3) 212
  Moh's hardness (scale) >8.0
  Thermal conductivity (w/m2.k) 0.7-0.8
  Max. Operating Temperature (ºC) 1550
    (ºF) 2822
  Thermal expansion (%)
(500ºC)
0.10
  Thermal Shock Stability (times)
(1000ºC then water cooling)
10
Geometric properties Nominal Size (mm) 3 6 10 13 16 19 25 38 50
    (inch) 1/8 1/4 3/8 1/2 5/8 3/4 1 1.5 2
  Crush Strength Min. (lbs) 115 230 440 1355 1720 3344 3432 4034 4960
    (kg) 52 105 200 615 780 1520 1560 1830 2250
    (N/PC) 510 1030 1961 6031 7650 14896 15288 17946 22065

Typical Application: 
a) high temperature and steam b)has very excellent thermal properties, with its high density high-temperature resistance 1550ºC
c)it's suitable for applications in ole fin processes, such as ethylene dryers

Size tolerance
Diameter  3 6 8 10 13 16 20 25 30 38 50 75
Size tolerance ±1.0 ±1.5 ±2.0 ±3.0

Industrial Application Alumina Bearing Ball


Industrial Application Alumina Bearing Ball

Industrial Application Alumina Bearing Ball

Industrial Application Alumina Bearing Ball
Industrial Application Alumina Bearing Ball
The XINTAO 99 High Alumina Support Media is in chemical composition99+% alpha alumina and a maximum 0.2wt% SiO2. Because of its high alumina content and low silica (SiO2 ), it's a very excellent and ideal product for high temperature and steam applications, such as secondary reformers in ammonia processing, where leached silica will coat downstream equipment or foul the catalyst bed. 
The XINTAO 99 High Alumina Support Media has very excellent thermal properties, with its high density high-temperature resistance 1550ºC, also it's a good choice for heat retention or deceleration media. 
For its superior chemical resistance, it's suitable for applications in ole fin processes, such as ethylene dryers, where there's the polymerization problem. 

Technical Parameter
Model XT99 Alumina Ceramic Ball
Color White
Shape Ball
Chemical composition   Min. % Max. % Usual %
  Al2O3 99 99.6 99.3
  SiO2 / 0.2 0.18
  Fe2O3 / 0.2 0.02
  TiO2 / 0.55 0.02
  CaO / 0.1 0.2
  MgO / 0.1 0.05
  Na2O / 0.25 0.1
  K2O / 0.2 0.13
Physical properties Leachable Iron (%) ≤0.01
  Apparent Porosity by Weight (%) ≤7.0
  H2O absorption (wt.%) <4.0
  Acid resistance (%) >99.8
  Alkaline resistance (%)

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APPLICATION SCHEDULE

  1. Applied by electrostatic spraying gun that can provide negative tension of 60-80 kV.
  2. Curing schedule : 180-200°C /10-15 minutes depending on the powder chemistry.
  3. Optimal film thickness : 80 -110 um

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