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Tundish Coating

 

    

 

Chemical Composition/%

Product Type

JFFT-S85

JFFT-S65

JFFT-C85

JFFT-C65

MgO

≥85

63~68

≥85

63~68

Al2O3

≤3.0

≤3.0

≤3.0

≤3.0

SiO2

≤10

≤25

≤8

≤25

Ultimate Particle Size/mm

0~1

0~1

0~3

0~3

Physical Property

B.D/g/cm3

1.0~1.6

1.0~1.6

≥2.0

≥2.0

Change Rate of Line/%

1000℃,3h

0~-0.5

0~-0.5

0~-0.5

0~-0.5

1500℃,3h

-1.0~-4.0

-1.0~-4.0

-1.0~-4.0

-1.0~-4.0

rupture strength/Mpa

110℃,24h

≥0.3

≥0.3

≥0.3

≥0.3

1000℃,3h

≥0.2

≥0.2

≥0.2

≥0.2

1500℃,3h

≤5.0

≤5.0

≤5.0

≤5.0

Water Adding Level of Construction/%

20~22

20~22

16~20

16~20

Form of Construction

spray coating

coating

Production Introduction

    This product uses high-quality magnesia and basic composite refractory raw materials and is obtained combined with special composite binder and additive agent. It has the advantage of higher corrosion resistance and resistance to thermal shocks, which can effectively extend the service life of the tundish and is easy for removal. This product can adopt either mechanical spraying construction on site, or manual coating operation.

 

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