Physical properties |
Grading |
M325# - |
< 15% retained on 325#,
< 0,1% retained on 100# |
M180# - |
< 40% retained on 325#,
< 0,1% reained on 100# |
|
pH |
'8 - 9.5 |
Water soluble (BS 1765) |
'0.5% maximum |
Hardness (Moh) |
'2.5 |
S.G. |
'2.85 |
Oil Absorption |
'50-70% |
Reactivity |
Inert |
Colour |
Off white, pearlescent |
Refractive Index |
'1.58 |
Phericity Factor |
0.01 |
Melting Point; |
1200 deg C |
|
PRODUCTS
HYDROMICA (PREMICA 325#)
Description
Aluminium - potassium silicate flakes produced from wet grinding of muscovite ore.
|
 |
Uses
Paints, cosmetics, coatings, insulations, welding electrodes, tyres, dusting agent, inert industrial fillers
Chemical Analysis (%)
|
SiO2 |
 44.8%
|
Fe2O3 |
2.6% |
Other |
0.1% |
Al2O3 |
35.3% |
Na2O
|
0.5%
|
LOI |
4.6%% (@ 1000 deg C) |
|
K2O |
10.1% |
MgO |
1.0%
|
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