1.
Product Data Sheet
ETİ MADEN İŞLETMELERİ
Ground Colemanite
2CaO.3B2O3.5H2O
Ground Colemanite
CAS Number: 12291-65-5*
Particle Size: -45 or -75 Micron
Available Packages: 1 or 2 tons
(with or without pallet)
Colemanite crystallizes in monoclinic system. It has
4 – 4.5 hardness (Mohs Hardness) and 2.42 kg/m3
specific gravity. It contains B2O3 is in the 40 ± 0,50
%. It dissolves slowly in water but quickly in HCl. It is
the most commonly available boron mineral on
earth. It is occur as big, bright and translucent
crystals in mostly clay zones and pores of the ores.
It is available at Emet, Bigadiç and Kestelek region
in Turkey.
Some Applications and Benefits
Textile Type Fiberglass
Colemanite is mostly used in fiberglass (textile type) industry. In order to sodium is not
wanted in fiberglass production process, colemanite is preferred to among boron products.




It drops melting temperature of mixture,
It supplies low viscosity at melting temperature,
It prevents crystallization,
It affects chemical and physical properties of final glass product positively.
Glass and Ceramic
Colemanite is used in glass industry as melting point reducer and resistance to thermal shocks
and coefficient of thermal expansion booster. Also, it is used in formulation of ceramic and
(*Pure Colemanite)
Eti Maden İşletmeleri Genel Müdürlüğü
Ayvalı Mah. Halil Sezai Erkut Cad. Afra Sok. No:1/A
06010 Etlik-Keçiören
ANKARA / TURKEY
For more information:
Development of Technology Department
www.etimaden.gov.tr
EYS FRM-ETİ-00 10 /20/1/2014-01
2.
enamel glazes. Being close to the melting temperature of the other components in the blend
it provides stable structure, homogeneous melting and low segregation.
Metallurgy
Since it is a solvent for almost all metal oxides, it is used as flux in the metallurgy industry.
Usage as Slag Compactor
Another application of boron products is transforming powdered slag to compact slag by
adding colemanite in the iron-steel industry. After cooling, slag is powdered. This is caused
many problems on transportation, stocking and environment in ladle metallurgy. And this
situation causes extra cost for manufacturer. By adding colemanite in ladle furnace, slag is
compacted and powdering problem is solved. As a result of these great positive contributions
the colemanite usage starts to grow up.
Other Usages
Colemanite has much usage area in detergent and cosmetic industries, also and colemanite is
used for production of boric acid by reacting with sulfuric acid.
Chemical and Physical Properties
Molecular Weight *
411.08 g/mol
986 oC
Melting Point *
*Pure Colemanite
Particle Size:
-45 Micron
-75 Micron
+600
0.02 % max.
+250
0.02 % max.
+250
0.50 % max.
-75
90.00 % min
-75
87.00 ± 5 %
-45
80.00 ± 5 %
-45
75.00 ± 5 %
Eti Maden İşletmeleri Genel Müdürlüğü
Ayvalı Mah. Halil Sezai Erkut Cad. Afra Sok. No:1/A
06010 Etlik-Keçiören
ANKARA / TURKEY
For more information:
Development of Technology Department
www.etimaden.gov.tr
EYS FRM-ETİ-00 10 /20/1/2014-01
3.
Chemical Content
B2O3
40.00 ± 0,50 %
CaO
27.00 ± 1 %
SiO2
4.00 – 6.50 %
SO4
0.60 % max.
As
35 ppm max.
Fe2O3
0.08 % max.
Al2O3
0.40 % max.
MgO
3.00 % max.
SrO
1.50 % max.
Na2O
0.35 % max.
LOI
24.60 % max.
Moisture
1.00 % max.
Bulk
Density
1.00 ton/m3 max.
Solubility in Water
Temperature °C
Dissolved Ground Colemanite %*
2.3
5.15
5
5.24
10
5.63
15
6.04
20
6.35
25
7.08
30
7.86
35
8.92
40
10.30
*Bigadiç Colemanite (25-125 mm)
Eti Maden İşletmeleri Genel Müdürlüğü
Ayvalı Mah. Halil Sezai Erkut Cad. Afra Sok. No:1/A
06010 Etlik-Keçiören
ANKARA / TURKEY
For more information:
Development of Technology Department
www.etimaden.gov.tr
EYS FRM-ETİ-00 10 /20/1/2014-01
4.
X-Ray Diffraction Analysis (-75 Micron)
TG/DTA (-75 Micron)
Eti Maden İşletmeleri Genel Müdürlüğü
Ayvalı Mah. Halil Sezai Erkut Cad. Afra Sok. No:1/A
06010 Etlik-Keçiören
ANKARA / TURKEY
For more information:
Development of Technology Department
www.etimaden.gov.tr
EYS FRM-ETİ-00 10 /20/1/2014-01
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Etimine S.A.
Etimine GmbH
Etimine
USA INC.
Shanghai
Etimine Int.
Trade Co., Ltd.
Mario Pilato
Blat, S.A.
Ab
Etiproducts Oy
Etiproducts Ltd.
Borochemie
Int. Pte. Ltd.
Asian Agro
Chemicals Corp.
Pars Gohare Alborz
Trading Co.
1000 Km
Eti Maden İşletmeleri
Genel Müdürlüğü
Etimine S.A.
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Phone: +352 520202
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e-mail: [email protected]
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Borochemie Int. Pte. Ltd.
(Singapore, U.A.E., Oman, India, Sri Lanka, Thailand, Indonesia,
Bangladesh, Burma (Myanmar), Malaysia) 77, High Street, # 09-06 High
Street
Plaza,
179433,
SINGAPORE
Phone: +65 6334 7500
Fax: +65 6334 0735
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e-mail: [email protected]
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Paseo
de
Alameda
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46010
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SPAIN
Phone: +34 96 339 3270
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Penn Center West Building 1, Suite 400 Pittsburgh, PA 15276, USA
Phone: 412 809 8215
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Ground Colemanite - Eti Maden İşletmeleri