RK Alkali-Resistant Brick Series

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

RK Alkali-Resistant Brick Series

RK Alkali-Resistant Brick Series

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

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

Technical Specifications

Product Name

Ordinary type

High-strength type

Insulating type

Arch type

Grade No.

RK-O

RK-H

RK-G

RK-A

chem
component

Al2O3(%)

25~30

25~30

25~30

30~35

SiO2(%)

≤2

≤2

≤2

≤2.5

Fe2O3(%)

65~70

65~70

60~67

60~65

Physical

properties

Bulk Density(g/cm3)

2.1

2.2

1.65

2.2

Cold Crushing Strength (CCS)(MPa)

≥25

≥60

≥15

≥30

Refractoriness Under Load (RUL)T0.6()

≥1250

≥1200

≥1200

≥1280

Apparent Porosity(%)

≤25

≤25

≥30

≤25

Alkali resistance

grade 1

grade 1

grade 1

grade 2

Application

Suitable for use in the Wear-Resistant Refractories for Cement Kilns. This product page has been viewed 3272 times.