Red Ocher

ColorRed
A12.06
Chemical FormulaFe2O3
Refractive Index2.260–2.398
Supply TypeManufacturer, Supplier, Retailer
Preferred Buyer Location All over the world

Product Details

ColorRed
A12.06
Refractive Index2.260–2.398
Hardness4.0–5.5
Melting Point747 Degree C
Chemical NameTakes its reddish colour from the mineral hematite, which is an anhydrous iron oxide.
L36.19
B12.44
Chemical FormulaFe2O3
pH Value4-6
SolubilityInsoluble in water
Density2.9–4.3
Plasticity26

STC has been in Various Mineral & Metals business as a family concern since 1998. The Company has acquired 5 mining leases in various District of Gujarat State, India, having total area of about 45 hectares, over & above 36 hectares being possessed in name of its associated company as well a fresh application for about 20 hectares to Govt. during 2001.
Minerals Lease : Bauxite, Red Ocher, Yellow Ocher, Lime Stone And Natural Gypsum
RED OCHER
The main color giving component of natural red ochre (ocher) is composed of hematite (∝-Fe2O3). The term red ochre (ocher) or red earth describes various kinds of iron oxide pigments such as Venetian red, mars red, English red, Indian red. Iron oxides are stable at high temperatures but not resistant against acids. The pigment is absolutely stable as is documented by the cave paintings still in excellent condition after many thousands of years.
APPLICATION
Paint : Red Ochre is used in colour washes, distempers, oil paints, lacquers, primers tiles & ceramic,
Other Uses

Fertilizer
Ferro-alloys
Welding flux manufacturing
Brake lining
Oil well drilling
Cement

Technical Specification

Chemical Composition	Unit	Result	Protocol
Silica As SiO2	%	37.77	IS : 2000:P-2:1985
Magnesium Oxide As MgO	%	0.09	IS : 5949 : 1990
Calcium Oxide As CaO	%	0.56	IS : 5949 : 1990
Iron Oxide As Fe2O3	%	18.69	IS : 2840 : 2002
Alumina Oxide As Al2O3	%	29.54	IS : 2840 : 2002
Loss of Ignition	%	9.24	IS : 2840:2002
Sizes	%	0-200mm & 100 + mesh