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Refractory Products

Orient Alumina Contact Boards

Type OR-800 and OR-801

Bulk Density kg/m3 800-1000

Modulus of Rupture Mpa 7

Cold Crushing strength Mpa 17

Temp Limit íŠ 1000

Thermal Conductivity W/m.k 100 íŠ 0.120

200 íŠ 0.122

300íŠ 0.127

Linear Shrinkage % 1000 íŠ x3h < 1.0%

1100 íŠ x3h < 1.5%

Loss on lgnition % 8

Chemical Compasition %

CaO 43.5-51.8

SiO2 49.5-51.8

Al2O3 0.3-0.5

Fe2O3 0.3

Type

Size (mm)

Weight/piece

OR-800

350 x180 x25

1.34kg

OR-801

150 x 150 x 50

0.9kg

 

 

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