Primary aluminium

Products (selection).

Pot-cells – shaped products

QualityRaw material basisAl2O3
%
SiO2
%
SiC
%
REFRAL® 25
fireclay2668 
ALUBAR 1100fireclay2668 
REFRALON® SiC 82 NSiC  78

Pot-cells – unshaped products

QualityRaw material basisAl2O3
%
SiO2
%
CaO
%
REFRACAST® F-42
fireclay> 38
< 47
< 7.5
REFRACAST® F-43fireclay> 41< 45< 8.5

Anode baking furnaces – shaped products

QualityRaw material basisBulk density (+/- 5%)
g/cm3
Al2O3
%
SiO2
%
REFRAL® 44
fireclay2.254450
REFRAL® 50fireclay2.355045
PERIAL 44fireclay2.254450
PERIAL 50fireclay2.355045
REFRAL® 50
andalusite. special
high alumina fireclay
2.25-2.4048-5245-49
REFRAL® 60andalusite2.556038

Anode baking furnaces – unshaped products

QualityRaw material basis Al2O3
%
SiO2
%
Fe2O3
%
CaO
%
REFRACAST® MC F-35 AR/TS fireclay> 36< 50< 3.8< 5.0
REFRACAST® F-50
fireclay> 47< 43< 1.6< 6.0
REFRACAST® F-51fireclay> 47< 44< 1.2< 6.0
REFRACAST® F-50 Cfireclay> 54< 36< 1.3< 8.0
REFRACAST® F-60 R alumina-rich raw materials > 63< 31< 1.1< 3.3
REFRACAST® LC A-60 TSandalusite> 57< 39< 1.0< 2.5
REFRACAST® MW 1450 light fireclay > 48< 42< 3.0< 5.0
REFRACAST® MW 1300 Clight fireclay > 39< 41< 5.5< 13.3
REFRACAST® MW 1250light fireclay > 40< 41< 5.5< 12.0
REFRACAST® LW 1200light fireclay > 34< 43< 7.5< 13.0
REFRACAST® XLW 1050 CG
vermiculite > 30< 27< 13.0< 25.0
REFRABOND® F-50 R
fireclay/andalusite > 50< 45< 1.5 
REFRABOND® F-40fireclay> 40< 55< 1.6 
REFRABOND® CBS F-55 AB alumina-rich raw materials > 56< 33< 1.2 
REFRABOND® CBS F-55
alumina-rich raw materials > 55< 36< 1.2 
REFRASPECIAL® F-55 alumina-rich raw materials> 59< 33< 1.9< 4.1
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