Chemical
name - Cr2O3
CAS:1308-38-9
EINECS:215-160-9
Form - Fine
powder of green colour
Physico-chemical
properties -
Chrome oxide Cr2O3 is synthetic,
thermal very resistant pigment, stable
and resistant to acids and alkalis. It is
also light-stable.
Usage- It
is used like an addition to furnace
walling, in a production of anticorrosive
and fire-proof surfaces, than in a
production of coating compositions (when
mixed with cheap black pigment you can
reach many important tints - RAL
6001,6002,6010, which you can only get
when you use more expensive organic
phthalate pigments ), stuffs, colour
bricks, tiles, roofing, rubber, plastics,
etc.
Packing - 25
kg multiply paper bags, 1 pallet / 1000
kg, shrink-wrap
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Tech.
charkteristic chromium oxide
green
| Content
of Cr2O3 |
%
min |
99,2 |
| Matters
soluble in water |
%
max |
0,1 |
| Content
of Al2O3 + SiO2 |
%
max |
0,3 |
| Content
CrVI |
g
/100 g |
0,002729 |
| Pb,
Cd, BA, Sb, Se, As,
Hg,Al,Na, Zn,Rb,Bi, |
%
max |
1.10-4 |
| Moisture |
%
max |
0,15 |
| Residue
on sieve 63 µm |
%
max |
0,1 |
| pH |
|
6.8 |
| Colour
data - CIELAB 10° ,
D65 |
L* |
45,40 |
| |
a* |
-17,19 |
| |
b* |
18,80 |
| |
DE*
max |
2 |
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Reflactance
chromium oxide green
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