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PRODUCT
magnesia and zircon refractory mortar

item

index

magnesia 

zircon

MF £≠ 82

MF £≠ 78

GF £≠ 60

GF £≠ 30

chemical component

£•

MgO °›

82

70

£≠

£≠

SiO 2 °‹

5

6

°›32

°›14

ZrO 2 °›

£≠

£≠

64

30

Al 2 O 3 °›

£≠

£≠

£≠

51

Fe 2 O 3 °‹

£≠

£≠

£≠

0.5

volume density  g/cm 3

£≠

£≠

3.2 °ę 3.4

2.9 °ę 3.0

apparent porosity £•

£≠

£≠

15 °ę 20

15 °ę 20

refractoriness under load£®£‘ 0.6 £©°° °ś

£≠

£≠

°›1700

£≠

compressive strength after burning£¨ MPa

£≠

£≠

°›80

£≠

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