Pyrax Pyrophyllite
PYRAX (TYPES A, B, WA)
Pyrax is chemically similar to a clay, it is a hyrated aluminum silicate. But Pyrax has the appearance of a talc. Many properties of Pyrax are quite similar to talcs. Pyrax has a neutral pH and due to the presence of quartz, is highly abrasive.
Density Mg/m3 2.8
pH at 10% solids 6.9
Abrasiveness (Einlehner M/M2 loss, 174,000 revolutions) 450-500
Pyrax is available as types A, B and WA. They vary in particle size and thus bulk density and color.
-325# -10micron -5micron -2.5micron
Pyrax A 90 50 28 13
Pyrax B 95 50 27 11
Pyrax WG 87 44 28 15
Pyrax HS Used in wall tile bodies. It lowers firing temperature; produces low moisture expansion bodies with good craze resistance; increases thermal shock resistance; and greatly increases firing strength of vitreous bodies. It promotes the development of mullite when substituted for an equivalent amount of feldspar or quartz.
Pyrax RG Refractory grade used in insulating firebrick, metal pouring refractories, ramming mixes, gunning mixes, castable mixes and kiln car refractories.
Out Bound Links
- (Materials - Parent)
Pyrophyllite - Al2O3.4SiO2.H2O - A Soft Hydrous Aluminum Silicate
Pyrophillite
- (Materials - Parent)
Pyrophyl - Pyrophyllite
- (Typecodes)
1: ALS - Aluminum Silicate
- (MDT - Member)
North America
The decision about what materials to include in th... - (MDT - Member)
Australia
We are working on this database and would apprecia... - (MDT - Member)
New Zealand
We are working on this database and would apprecia...
XML for Import into INSIGHT
<?xml version="1.0" encoding="UTF-8"?>
<material name="Pyrax Pyrophyllite" descrip="PYRAX (TYPES A, B, WA)" searchkey="" loi="3.10" casnumber="12269-78-2">
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.100" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.100" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="1.810" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.300" tolerance=""/>
<oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="0.100" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="16.080" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="78.200" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.200" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="LOI" name="Loss on Ignition" percent="3.100" tolerance=""/>
</volatiles>
</material> | 
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