Brand

Properties

KT-Q100

KT-Q135

GJ-18C

Chemical Composition (%)

Al 2 O 3

≥20

≥45

≥95

SiO 2

≤52

≤35

≤0.5

Max service temperature (°C)

1100

1300

1800

Bulk density after burnt at 110°C (g/cm 3 )

≤1.0

≤1.35

1.3-1.5

Linear changing after burnt at 1100°C×3h (%)

0 ~ -0.5

0 ~ -0.4

±0.5(1500°C×3h)

Compressive/Bending Strength (MPa)

110°C×24h

≥5/≥1.5

≥10/≥3

≥8/≥3

1100°C×3h

≥5/≥1.5

≥10/≥3

≥15/≥4

1500°C×3h

-

-

≥20/≥6

Critical grain (mm)

5-8

5-8

5-6

thermal coeffcient (w/m.k)

350°C×3h

≤0.21

≤0.45

-

1000°C×3h

≤0.24

-

0.7-0.9

Water content for construction by weight ( % )

15-20

20-30

9-12

Usage

The Heat Preservation Part for Cement kiln and Oil-Chemical industry

Lining for hard carbon black and petrochemical industry

Test standard

YB/T5202-2003

Packing

25kgs Plastic bag