Hot charging material

Detailed introduction

The hot charging material is made of silica and aluminosilicate and chemical binder. The product is characterized by good spreadability, high bond strength, no need to stop the furnace cooling and support the template, can be heated or cold repair lining, repair can be immediately normal production. It has been successfully used in many industrial plants such as Tangshan steel rolling mill, Yinfeng gas rolling mill, and has been well received by customers.

Main Properties


Index

Item

TNRB-65

TNRB-45          

TNRB-90

chemical omposition,% ≥

Al203

65

45

---

SiO2 

30

45

90

bulk density, g/cm³ ≥

110℃×24h

2.35

2.15

I. 70

staving strength, MPa ≥(110℃ x 24h)

Pressure resistance

IS

15

15

Anti folding

4

4

4

linear change after heating, % ≥

1500℃

± 1.0

± 1.0(l400℃)

± 1.0

refractoriness, ℃ ≥

1770

1730

1690

Max .Service temperature,℃

1550

1450

1650

热态补炉料 


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