Spalling-Resistant High-Alumina Brick & High-Alumina Brick Series

A cement kilns-grade refractory product engineered for reliable high-temperature service.

Spalling-Resistant High-Alumina Brick & High-Alumina Brick Series

Spalling-Resistant High-Alumina Brick & High-Alumina Brick Series

A cement kilns-grade refractory product engineered for reliable high-temperature service.

The following table lists the key technical properties of Spalling-Resistant High-Alumina Brick & High-Alumina Brick Series. For full data sheets, mix-design recommendations or installation instructions, contact our engineering team.

Technical Specifications

Product Name

Spalling-resistant high-alumina Brick

lightweight spalling-resistantHigh-Alumina Brick

High-Alumina Brick

Grade No.

YRS-70

YRS-75

JY-

JY-

LZ-81

LZ-78

chem
component

Al2O3(%)

≥70

≥75

>70

>65

≥81

≥78

Fe2O3(%)

-

-

-

-

1.5

1.6

SiO2(%)

-

-

-

-

14

14

Physical

properties

Refractoriness()

1780

>1780

>1790

1770

-

-

Bulk Density(g/cm3)

2.6

2.7

>2.1

>2.3

2.8

2.8

Apparent Porosity(%)

≤25

≤25

<33

<29

18

18

Refractoriness Under Load (RUL)T0.6()

1470

1500

1500

1450

1530

1530

Cold Crushing Strength (CCS)(MPa)

≥70

>80

>70

>60

85

85

Thermal Conductivity(w/m.k)

1.4
(1.2)

1.4
(1.2)

0.55

0.65

-

-

Thermal Shock Stability1100-Water Cooling( times)

≥20

≥25

>25

>20

-

-

Application

Suitable for use in the Wear-Resistant Refractories for Cement Kilns. This product page has been viewed 2946 times.