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Castables Mortar Pre Cast Pre Fired
MORTAR
Mortar 70 to Oraset 50 Normal

    PRODUCT DESCRIPTION MORTAR 70 MORTAR 70 S Orasat50 Fine Orasat50 Normal
    TYPE 70% ALUMINA MORTAR 70% ALUMINA MORTAR
( Low Iron ) 		50 % ALUMINA MORTAR (COARSE) 50 % ALUMINA MORTAR (FINE)
    NATURE OF BOND CHEMICAL/CERAMIC CHEMICAL/CERAMIC CHEMICAL/CERAMIC CHEMICAL/CERAMIC
    GENERAL PROPERTIES
    RAW MATERIAL BASE : CALCINED BAUXITE CALCINED BAUXITE LF CALCINED BAUXITE  CALCINED BAUXITE 
    MAX. SERVICE TEMPERATURE : 1600 ºC 1700 ºC 1550 ºC 1550 ºC
    SINTERING TEMPERATURE : 1100 ºC 1100 ºC 1100 ºC 1100 ºC
    MAXIMUM GRAIN SIZE : 0.5 mm 0.5 mm 1.5 mm 1.5 mm
    CHEMICAL ANALYSIS
    Specification        
Al2 O3 70 min. 70 min. 50 min. 50 min.
SiO2 17 18.4 32.6 33.6
Fe2O3 3.0 max 3.0 max 4.0max 4.0 max
TiO3 6.2 4.6 5.8 5.8
CaO 0.5 0.8 0.8 0.4
LOI 2.1 2.1 5 5.7
    PHYSICAL PROPERTIES
    Typical Value        
    Water for trowelling consistency, % 21 - 24 22 - 26 24 - 28 24 - 28
    Water required for ramming consistency, % Now - 13 Now - 13 10 - Dec 10 -Dec
    Transverse strength, kg/cm 2 18 18 17 23
    % Retained above maximum size 1.5 1 2 3.5
    Specification        
    % Retained above maximum size 5 max. 5 max. 5 max 5 max
    THERMAL PROPERTIES
    Typical Value        
    Pyrometric cone equivalent,  Orton/ºC 35 / 1785 36 / 1804 32 / 1717 32 / 1717
    Specification        
    Pyrometric cone equivalent,  Orton/ºC 34 / 1763 min 35 / 1785 min 31½ / 1699 min. 31½ / 1699 min.
    Packaging : 50 Kg.Bags 50 Kg.Bags 50 Kg.Bags 50 Kg.Bags
    Storage life : 12 month. 12 month. 12 month. 12 month.
    Delivery  state : Dry Dry Dry Dry
 
The above data represents typical average properties and does not constitute a specification.
 
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