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Ramming Material at the Bottom of Furnace

 

 

Chemical Composition/%

Product Type

JFF-DHL-78

JFF-DHL-83

JFF-ZDL-20

JFF-ZDL-25

JFF-HT70

JFF-D-M

MgO

≥78

≥81

≥81

≥80

63~69

≥94

CaO

12~16

8~12

11~14

13~16

24~29

≤2.0

Fe2O3

4~6

4~6

3~5

3~5

4~6

0.5~1.5

Al2O3

≤0.6

≤0.6

≤0.6

≤0.6

≤0.6

≤0.6

SiO2

≤1.5

≤1.5

≤1.2

≤1.5

≤1.5

≤2.0

Particle Size/mm

0~6

0~6

0~6

0~6

0~6

0~6

Physical Property

Compression Strength under Normal Temperature after Burning/Mpa

1300℃,3h

≥10

≥10

≥8

≥8

≥8

≥8

1600℃,3h

≥35

≥35

≥35

≥35

≥35

≥35

Change Rate of Line after Burning/%

1300℃,3h

0~-0.5

0~-0.5

0~-0.5

0~-0.5

0~-0.5

0~-0.5

1600℃,3h

-1.0~-3.0

-1.0~-3.0

-1.0~-3.0

-1.0~-3.0

-1.0~-3.0

-0.5~-2.0

Combined Characteristic

Ceramic Combination

Production Introduction

 This product uses synthesis process and is obtained from balling and burning in high temperature, which will form a solid and complete sintered layer in high temperature. It is widely used in building the bottom and slope of UHP, HP, RP and DC electric stove and open-hearth furnace.

 

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