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| Company bulletin |
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Umber & Sienna |
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Umber & Sienna is an indispensably material in wood painting, especially in the American Style painting. Usually, Umber & Sienna is made into Graintone Wiping Stain and Glaze Tints, which is usually named Glaze in China. Umber & Sienna got name from their original product place. The are finished from natural mineral ore. It belongs to natural iron oxide pigment.
Umber & Sienna have the advantages of light fastness, non-toxic. Being used on the wood coloring can get clear grain, gives the wood furniture an ornamental effect of glance, sober and natural. Using together with transparent iron oxide has become the mainstream of Euramerican furniture painting.
Through international cooperation, ore company produces international-grade Umber& Sienna serious products with importing international famous company’s mineral and applying modern high-tech process.
Product Codes
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| Codes |
BU-5511 |
BU-5512 |
BU-5521 |
BU-5531 |
BU-5541 |
BU-5551 |
| Name |
Burnt Umber |
Burnt Umber |
Raw Umber |
Raw Sienna |
Burnt Sienna |
Vandyke Brown |
| Iron Oxide Content% |
50-54 |
48-52 |
52-56 |
54-58 |
44-48 |
-- |
| Residue on 45um % |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| Oil Absorption g/100g |
44-50 |
36-42 |
38-44 |
42-46 |
38-44 |
42-48 |
| pH |
7.5 |
7.0 |
7.0 |
7.5 |
7.0 |
7.0 |
| Color Index |
77491 Brown 7 |
77491 Brown 7 |
77491 Brown 7 |
77491 Brown 7 |
77491 Brown 7 |
-- |
| Chemical Nature |
Iron oxide compound |
Iron oxide compound |
Iron oxide compound |
Iron oxide compound |
Iron oxide compound |
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