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Ores And Minerals

Our product range contains a wide range of Wollastonite, cenosphere, Talc and Calcite

Wollastonite

Wollastonite is chemically a Calcium Meta Silicate (CaSiO3), it is a naturally occurring white & acicular (needle shaped) mineral, with mohs hardness of 4.5. In addition to Wollastonites unique morphology, it is alkaline, inert, has low loss on ignition, low water solubility, low co-efficient of linear thermal expansion and a melting point of 15400c. It also improves tear strength, dielectric properties and retains mechanical properties at elevated temperatures.
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Cenosphere

Cenospheres are hollow, light grey, thin walled ceramic (alumino-silciate) microspheres which are very strong, non flammable, chemically inert and temperature resistant up-to more than 12000c
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Talc

Talc is a Hydrated Magnesium Silicate with the chemical formula Mg3 Si4 O10 (OH)2. It is a naturally occurring platy mineral. It can be white, grey, green, pale green & gray white in color. It has a Mohs hardness of 1, has a vitreous-pearly lustre, a white streak and has a density of 2.75. Talc is valued for its extreme softness, smoothness, hydrophobicity, high lubricating and hiding power and for its ability to absorb oil and grease. Talc is practically insoluble in water , weak acids and alkalis. It is neither explosive nor flammable. Although it has very little chemical reactivity, talc does have a marked affinity for certain organic chemicals, i.e. it is organophilic. Above 900C, talc progressively loses its hydroxyl groups and above 1050C, it re-crystallises into different forms of enstatite (anhydrous magnesium silicate). Talc's melting point is at 1500C.
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Manufacturer of Ores and Minerals from Chennai, Tamil Nadu by Wolkem India Ltd.
Post Buy Requirement

Our Products

  1. Ores And Minerals 3 Products available

Ores And Minerals

Leading Manufacturer, Supplier & Retailer of Wollastonite, cenosphere, Talc and Calcite.

Wollastonite

Wollastonite is chemically a Calcium Meta Silicate (CaSiO3), it is a naturally occurring white & acicular (needle shaped) mineral, with mohs hardness of 4.5. In addition to Wollastonites unique morphology, it is alkaline, inert, has low loss on ignition, low water solubility, low co-efficient of linear thermal expansion and a melting point of 15400c. It also improves tear strength, dielectric properties and retains mechanical properties at elevated temperatures.
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Cenosphere

Cenospheres are hollow, light grey, thin walled ceramic (alumino-silciate) microspheres which are very strong, non flammable, chemically inert and temperature resistant up-to more than 12000c
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Talc

Talc is a Hydrated Magnesium Silicate with the chemical formula Mg3 Si4 O10 (OH)2. It is a naturally occurring platy mineral. It can be white, grey, green, pale green & gray white in color. It has a Mohs hardness of 1, has a vitreous-pearly lustre, a white streak and has a density of 2.75. Talc is valued for its extreme softness, smoothness, hydrophobicity, high lubricating and hiding power and for its ability to absorb oil and grease. Talc is practically insoluble in water , weak acids and alkalis. It is neither explosive nor flammable. Although it has very little chemical reactivity, talc does have a marked affinity for certain organic chemicals, i.e. it is organophilic. Above 900C, talc progressively loses its hydroxyl groups and above 1050C, it re-crystallises into different forms of enstatite (anhydrous magnesium silicate). Talc's melting point is at 1500C.
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