Brand

WQJ-0.6

WQJ-0.8

WQJ-1.0

WQJ-1.3

WQJ-1.5

WQJ-1.8

WXJ-0.4

WXJ-0.6

Bulk density (g/cm 3 )

0.6±0.1

0.8±0.1

1.0±0.1

1.3±0.1

1.5±0.1

1.8±0.1

≤0.4

≤0.6

Chemical Composition

Al 2 O 3 (%)

≥30

≥35

≥40

≥40

≥45

≥45

-

-

Crushing Strength (MPa)

11 0 ℃

After drying at

≥2

≥2.5

≥3.5

≥4

≥4.5

≥15

≥0.3

≥0.4

100 0 ℃×3h After firing at

≥2.5

≥2.5

≥5

≥9

≥15

≥25

-

-

1000℃×3h Linear Chang Rate After Firing At (%)

0 ~ -1.5

0 ~ -1.5

0 ~ -1.0

0 ~ -1.0

0 ~ -1.0

0 ~ -1.0

0 ~ -2.5

0 ~ -2.5

350℃ Thermal Conductivity Coefficient (W/mk)

≤0.25

≤0.3

≤0.4

≤0.5

≤0.55

≤0.7

≤0.16

≤0.2

Service Temperature (℃)

1150

1200

1250

1300

1300

1300

1000

1100

Characteristics

High strength , good volume stability , low thermal conductivity coefficient , and can be installed by casting , gunning or ramming

Very low thermal conductivity coefficient . Can be installed by casting , coating or ramming

Remark

Refractory Fiber Castables