R&B Scale :
R&B
Scale comes from where steel billets are stored before they are hot-milled
to
become bars, concrete rods,.wires, etc. It was 45-mesh sieved, hence the
specks
at high concentrations.
---------------------------------------
Formula of
the Base ;
Na2O
0.18 Al2O3 0.42
SiO2 2.82
K2O 0.15 TiO2
0.19
MgO 0.06 Fe2O3
0.17
CaO
0.60
Alumina:Silica
ratio is 1.00:6.67
Neutral:Acid
ratio is 1.00:7.51
Alk:Neut:Acid
ratio is 1.00:0.42:3.17
Expansion:
90.4 x 10e-7 per degree C
-------------------------------
Vert Moyen Glacé
Custer feldspar 17
G-200 feldspar 17
Kona F-4 feldspar 17
Nepheline syenite 17
Whiting 20
Silica 12
Bentonite 5
R&B Scale 1
------------------
Vert Moyen Glacé
Custer feldspar 17
G-200 feldspar 17
Kona F-4 feldspar 17
Nepheline syenite 17
Whiting 20
Silica 12
Bentonite 5
R&B Scale 2
-----------------
Brun/Vert Moyen Glacé
Custer feldspar 17
G-200 feldspar 17
Kona F-4 feldspar 17
Nepheline syenite 17
Whiting 20
Silica 12
Bentonite 5
R&B Scale 3
----------------
Vert Moyen Satiné
Custer feldspar 17
G-200 feldspar 17
Kona F-4 feldspar 17
Nepheline syenite 17
Whiting 20
Silica 12
Bentonite 5
R&B Scale 4
----------------
Vert Moyen Glacé
Custer feldspar 17
G-200 feldspar 17
Kona F-4 feldspar 17
Nepheline syenite 17
Whiting 20
Silica 12
Bentonite 5
R&B Scale 5
----------------