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ULTRAMARINE
Azure blue
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In the past it was produced by crushing and
milling of blue mineral containing rare lazuli. At the end of
19th century after the discovery of synthetic production of
ultramarines was the production of natural ultramarines ended
because of their high price.
Synthetic ultramarines are produced by annealing
of mixture of kaoline, sulphur, soda, soda sulphate and carbon.
They have marvellous blue colour, great light resistance and
they are dissolved only by hydrochloric acid.
Common types are recommended for the temperatures
of 250 ° C. |
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We supply two types:
Ultramarine extra
Ultramarine extra blue
They differs in shade according to the reflectance picture
on the left, the higher curve is ultramarine extra blue.
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Various mixed pigments and mixtures of iron oxides and
organic pigments are cheaper alternative for colouring in green. It is
true that it is not possible to get so intensive green shades like
with the use of organic pigments but thanks to the content of iron
oxides they are much more stable and resistant.
CK 835 |
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| all purpose green pigment |
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| K500 |
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economic brown pigment suitable mainly for construction
industry with the stable price , extremely stable inorganic pigment
composed of iron oxide and manganese
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MANGANESE OXIDE |
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Manganese oxide with the content
of MnO2 80 % standardly in our stock. According to your
order manganese oxides from the content of 47 % up to
more than 92 % of MnO2. You may ask us for full range of
manganese oxides, samples and specification sent free of
charge. |
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MANGANESE OXIDE |
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MANGANESE OXIDE IMINI UF 80 |
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For colouring ceramics (colours in black, grey, yellow, in oxidizing
atmosphere in violet), for production of frits and refractory linings. |
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IMINI UF 80 |
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KYSLIČNÍK CHROMITÝ
CR2O3 |
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The only economic solution for colouring in green. Stable,
refractory, light resistant pigment. More on:
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