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   FIRECLAY BRICKS
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   INSULATING BRICK
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   HEATING ELEMENT
   GRINDING WHEEL
   CERAMIC PROPPANT
 
PRODUCT>INSULATING BRICK
 
  Vermiculite board
   

Item

V-1100(400)

Maximum Service Temperature        

1100

Bulk Density                        Kg/m3

375-425

Total Porosity                        %

82-86

 

Thermal conductivity

w/m.k

200℃

0.94±0.03

400℃

0.11±0.03

600℃

0.13±0.03

800℃

0.16±0.03

Compress Strength @room temp.      MPa

>1.0

Modulus of Rupture                 MPa

>0.5

Thermal Expansion    @20-750℃    K -1

11×10-6

Linear Reheat shrinkage 12H @1000℃   %

<1.5

LOI     @1025 ℃                  %

<6      

Al2O3  %

9-12

SiO2   %

45-50

Fe2O3  %

<5.0

MgO  %

19-21

CaO   %

2-3

K2O   %

6-10

TiO2   %

0.5-1.2

Na2O  %

1-2

 
 

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