Diatomite Brick/Silica Mortar

الوصف

Diatomite Brick:
Physical/Chemical Properties:
bulk density 0.7g/cm3
cold compressive strength 1~2MPa
thermal conductivity .*3~0.*0W/(m·K) AT **0C
apparent porosity >*0%
refractoriness >***0C
coefficient of thermal expansion 0.9×***6/C AT ***0C

Silica Mortar:    
Shape: Powder     
Material: quartz sand
SiO2 Content (%):≥*7.0%      
Al2O3 Content (%):≤0.5%        
Refractoriness (Degree):********0C
Bulkdensity(**0Cx*4H):1.*3g/cm3
0.2Mpa refractoriness under load °C>: ********0C
Binding bend strength at cold MPa:**0°C after drying≥:0.1
Binding bend strength at cold MPa:***0°C×5h after burning≥:0.7
Binding time(s):*****0

Silica Brick:
SiO2≥ *4%
Al 2 O 3 : ≤ 1.5%
Fe2O3: ≤ 1.5%
Refractoriness under load 0.2Mpa≥ ***0ºC
Apparent porosity: *2 %  
Bulk density: ≤ 2.*4 g/cm3
Cold crushing strength ≥*0 MPa
Permanent linear change  (***0ºC ×2h):0~0.2%
Thermal expansion(***0ºC):≤1.*8
 
High aluminum brick:
Al2O3 :*5%/*5%
Refractoriness: ≥***0C
Refractoriness under Load: ≥***0C
Permanent Linear Change(***0Cx2h):-
Permanent Linear Change(***0Cx2h):*0.1
Apparent Porosity: ≤ *2%
Cold Crushing Strength: ≥*8/*0Mpa