Wollastonite

Wollastonite Specification

Usage & Applications
Ceramic tiles, Paints, Plastics, Rubber, Friction Products, Construction

Water Absorption
Very Low (<0.2%)

Form
Powder, Lumps

Chemical Composition
Calcium Silicate (CaSiO3)

Application
Ceramics, Paints, Plastics, Rubber, Construction, Metallurgy, Friction Products

Purity(%)
Above 94%

Density
2.9 Gram per cubic centimeter(g/cm3)

Surface Finish
Smooth

Melting Point
1540 C

Product Type
Mineral/Industrial Mineral

Types of Refractories
Siliceous

Porosity
Low

Dimensional Stability
Very good, retains structure at high temperature

Strength
High mechanical strength

Thermal Conductivity
Low

Color
White

Wollastonite Trade Information

Minimum Order Quantity
1000 Kilograms

Supply Ability
10 Kilograms Per Week

Delivery Time
3 Days

Main Export Market(s)
Asia

Main Domestic Market
All India

About Wollastonite

Wollastonite (Calcium Meta Silicate) :-

Typical Chemical Analysis :-

Contents :- Percent
Calcium Oxide :-Cao :- 47.00
Silica :-Sio2 :-49.50
Magnesium Oxide :-Mgo :- 00.20
Alumina :- Al2O3 :-00.60
Ferric Oxide:- Fe2O3:-00.43
Titanium Dioxide :-Tio2 :-Traces
Manganese Oxide :-Mno :-00.29
Sodium Oxide:-Na2O:-00.02
Potassium Oxide:- K2O:-00.11
Loss On Ignition:- Loi:-01.80

Guarantee :-

Calcium Oxide +Silica Cao+Sio2 :-96.0 % Minimum
Ferric Oxide Fe2O3:-00.5 % Maximum
Alumina Al2O3 :-01.5 % Maximum
Loss On Ignition:- Loi:-02.0 % Maximum

Typical Physical Properties :-

Chemical Formula :-Casio3
Molecular Weight :-116
Form & Habit :-Bladed Crystal Masses
Crystal System:-Triclinic (Acicular)
Colour :-Brilliant White
Lustre :-Pearly
Brightness :-78 % To 92 %
(As Compared To 100 % Mgo)
Refractive Index :-1.627
Specfic Gravity :- 2.9

Bulk Density

Loose:- 0.33 To 0.55 Gm/Ml
Tapped:-0.60 To 0.95 Gm/Ml
Hardness:-4.5 (MohS Scale)
Oil Absorption :-40 To 65 (W/W)
Ph Of 10 % Slurry
(Freshly Prepared) :-9.0 (At Ambient)
Solubility In Water :-0.01 %
Melting Point:-15400 C
Co-Efficient Of Expansion :- 6.5 X 10-6(E0)-1

Thermal

Conductivity 350-6000 C :-2.16 (Gm/Cal)/(Sec-0C X 103)
Chemical Activity:-Largely Inert.Decomposes In Acids.
Specific Heat:-0.24 Cal/Gm 0C

Minimum Order Quantity
1000 Kilograms

Supply Ability
10 Kilograms Per Week

Delivery Time
3 Days

Main Domestic Market
All India

Main Export Market(s)
Asia

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