Product Main

Specifications

Calcium silicate board is mainly used as high temperature insulation material of pipes and equipments in the electric power, chemicals, metallurgy and communication industry. And in the housing construction it is also used as the ceiling, fireproof and heat insulation materials of wall and sound absorption materials of decoration.

A. Calcium Silicate board at 1000℃

Index

Item

CD170

CD200

CD230

GB/T10699-1998(JB220)

Bulk Density, Kg/m3

170 (±10%)

200 (±10%)

230 (±10%)

≤ 220 ,≤ 270

Bending Strength, Mpa

≥ 0.30

≥ 0.40

≥ 0.50

≥ 0.30

Compressive strength
W/m.k

≤ 0.048
+ 0.00011t

≤ 0.050
+ 0.00011t

≤ 0.056
+ 0.00011t

≤ 0.065
(100 ℃ )

Highest working temperature, ℃

1000

1000

1000

1000

Linear shrinkage after heating
%
Kg/m3

≤ 1.5 (1000 ℃, 3hrs)

≤ 1.5 ( 1000 ℃, 3hrs )

≤ 1.5 ( 1000 ℃, 3hrs )

≤ 2.0
( 1000 ℃, 16hrs )

170 (±10%)

200 (±10%)

230 (±10%)

≤ 220 ,≤ 270

B. Calcium Silicate products at 650℃

Index

Item

GB10699-98

Bulk density(max),Kg/m3

AW-17

AW-22

AW-35

170

240

170

220

500

Flexural strength (min), Mpa

0.25

0.3

1.0

0.2

0.3

Compressive strength (min) at 5% deformation, Mpa

0.5

0.6

2.0

0.4

0.5

Linear shrinkage (max) average temp.
%

2

2

2

2

2

Thermal conductivity (max) average temp. 70℃,W/m.k

0.052

0.056

0.1

0.065

0.065

Service temp.(max), ℃

650

650

650

650

650

Moisture content (max), %

7.5

7.5

7.5

7.5

7.5