Micro Silica

• Application
• High performance concrete, refractory castables, oil well grouting, silica fume concrete, shotcrete, precast, mortar, and cement industries

• Chemical Composition
• SiO2 > 90% (typically 92-98%), minor amounts of Al2O3, Fe2O3, MgO, CaO, Na2O, K2O

• Color
• Grey to dark grey

• Density
• 700 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, High dimensional stability under temperature changes

• Form
• Fine powder

• Hardness (%)
• Not directly applicable; Mohs hardness: ~7

• Melting Point
• > 1600C (approx.)

• Porosity
• Very low (improves impermeability in final products)

• Product Type
• Other, Pozzolanic admixture / Industrial mineral powder

• Purity(%)
• 92% - 98% (SiO2 content)

• Shape
• Other, Amorphous, spherical particles

• Specific Gravity
• 2.2 - 2.3

• Strength
• Enhances compressive, tensile, and flexural strength in concrete

• Surface Finish
• Fine powder, enhances finish quality in concrete applications

• Thermal Conductivity
• Low (enhances thermal insulation properties)

• Types of Refractories
• Other, Silica based refractories

• Usage & Applications
• Concrete admixture, refractory materials, cement production, oil well grouting, precast elements

• Water Absorption
• Very low, improves reduced permeability

• Alloy
• Ferrochromium

• Application
• Other

• Color
• White

• Purity
• 90 %

• Shape
• Grain

• Alloy
• Ferrochromium

• Application
• Other, Concrete

• Color
• Grey

• Purity
• 90 %

• Shape
• Grain

• Alloy
• Ferrochromium

• Application
• Construction

• Color
• Grey

• Purity
• 90 %

• Shape
• Grain

• Alloy
• Ferrochromium

• Application
• Used in construction, refractory, and concrete industries for enhancing strength and durability

• Chemical Composition
• SiO2 >90%, with minor amounts of Fe2O3, Al2O3, and CaO

• Color
• Gray

• Density
• 350 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent dimensional stability at high temperatures

• Form
• Powder

• Hardness (%)
• Not applicable (amorphous powder)

• Melting Point
• >1600C

• Porosity
• Very low

• Product Type
• Other, Finely divided powder (amorphous silica)

• Purity
• 90 %

• Purity(%)
• >90% SiO2

• Shape
• Grain

• Specific Gravity
• 2.2

• Strength
• Improves compressive and flexural strength in concrete

• Surface Finish
• Smooth, fine powder

• Thermal Conductivity
• Low

• Types of Refractories
• Other, High-silica refractory applications

• Usage & Applications
• Concrete admixture, refractory castables, oil-well grouting, cement industry

• Water Absorption
• Extremely low

• Alloy
• Ferrochromium

• Application
• Used in refractory castables, concrete, mortar, cement, and bricks to increase density and mechanical strength

• Chemical Composition
• SiO2 > 92% to 96%, Minor Al2O3, Fe2O3, CaO

• Color
• Grey

• Density
• 700 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Micro fine powder

• Hardness (%)
• N/A (not applicable to powder form)

• Melting Point
• 1710C

• Porosity
• Reduces porosity in finished refractory mix

• Product Type
• Other, Fine Powder

• Purity
• 90 %

• Purity(%)
• 92-96%

• Shape
• Grain

• Specific Gravity
• 2.2 g/cm3

• Strength
• Enhances compressive and flexural strength in refractory systems

• Surface Finish
• Smooth powder

• Thermal Conductivity
• Low (~ 0.2-0.3 W/m.K)

• Types of Refractories
• Other, Silica, Alumina, and Aluminate Refractories

• Usage & Applications
• Refractory, construction, chemical, cement, foundry

• Water Absorption
• Very low (hydrophobic options available)

• Alloy
• Ferrochromium

• Application
• Other

• Color
• Grey

• Moisture
• 2

• Purity
• 90 %

• Shape
• Grain