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Micro Silica

Name: Micro Silica
Brand: K V METACHEM
Price: 14 INR
Availability: InStock

Price 14 INR/ Kilograms

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MOQ : 1000 Kilograms

Micro Silica Specification

Surface Finish
Fine Powder, Smooth Texture

Hardness (%)
N/A (Amorphous powder, not a measured property)

Application
Used as a pozzolanic material in concrete, refractory, and construction industries

Chemical Composition
SiO2 (Silicon Dioxide), with minor impurities

Usage & Applications
High-performance concrete, refractory castables, mortar, grouting, oil well cement, and as an admixture in construction

Density
700 Gram per cubic centimeter(g/cm3)

Water Absorption
Low (improves water resistance in concrete)

Melting Point
>1600C

Purity(%)
85-98%

Form
Powder

Product Type
Reactive Pozzolanic Powder / Micro Silica

Types of Refractories
Silica-based Refractories

Shape
Amorphous, Ultrafine Powder

Porosity
Very Low

Dimensional Stability
High due to low shrinkage

Strength
Enhances compressive and flexural strength in concrete

Specific Gravity
2.2 - 2.3

Thermal Conductivity
Low

Color
Grey/White

Moisture Content
<1%

Packaging Size
25 Kg Bag

Reactivity Index
>100% (ASTM C1240)

Brand Name
KV METACHEM

Particle Size
<1 micron

Storage
Store in cool, dry place

pH Value
6.5 - 7.5

Micro Silica Trade Information

Minimum Order Quantity
1000 Kilograms

Payment Terms
Cash in Advance (CID), Cash Advance (CA), Cheque

Delivery Time
5 Days

Sample Available
Yes

Sample Policy
Free samples are available

Packaging Details
* Customize Packing also available

Main Export Market(s)
Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

Main Domestic Market
All India

About Micro Silica

KVRHA

KVRHA is finely graded Rice Husk Ash, available in White, Grey and Black color. Its rich in silica content. We are also providing KVRHA with different Silica percentages to fulfil the requirement of various industries on request from our esteemed customers.

Application:

KVRHA is being used as refractory admixture in production of various precast refractory articles which are further used in steel & Construction industry.

KVRHA can also use in various other industries such as Steel, Ceramic, Water Treatment & Purification, Oil spill control & Bio Fertilizers.

Packing:

10 / 20 KG PP Bags (standard)

1000 KG Jumbo Bag

Benefits

Enhance Concrete Performance with KVRHA Micro Silica

KVRHA Micro Silica acts as a premium pozzolanic additive for concrete, significantly boosting both compressive and flexural strength. Its ultrafine particle size and high silicon dioxide purity create a dense, low-porosity matrix, reducing water absorption and enhancing durability. Suitable for demanding construction and infrastructure applications, this product ensures high-performance results.

Optimized for Refractory and Industrial Use

With high melting point (>1600C) and specific gravity (2.2-2.3), KVRHA Micro Silica is ideal for silica-based refractory production. Its low thermal conductivity and high dimensional stability make it an excellent choice for maintaining the integrity and longevity of refractories, castables, and other industrial linings.

FAQ's of Micro Silica:

Q: How does KVRHA Micro Silica improve concrete strength and durability?

A: KVRHA Micro Silica, with its ultrafine particle size and high silicon dioxide content, reacts with calcium hydroxide in cement to form additional calcium silicate hydrate. This creates a denser microstructure, significantly increasing compressive and flexural strength while reducing permeability and improving concrete durability.

Q: What is the recommended application process for KVRHA Micro Silica in construction projects?

A: KVRHA should be blended thoroughly with other concrete materials, either by direct addition as a powder or as a slurry, to ensure even dispersion. It replaces a portion of cement to act as a pozzolanic material, enhancing the overall performance of concrete mixes commonly used in high-performance, precast, or infrastructure applications.

Q: When should micro silica be used in a concrete mix design?

A: Micro silica is best incorporated when high strength, lower permeability, and chemical resistance are required-such as in bridges, tunnels, marine structures, or industrial floors. Its use is advised in projects where durability and lifecycle performance are critical considerations.

Q: Where is KVRHA Micro Silica typically stored to maintain its effectiveness?

A: The product should be stored in a cool, dry area in its original, sealed 25 kg bags. This prevents moisture ingress and agglomeration, preserving the fine powder texture and reactivity needed for effective application.

Q: What are the key benefits of using KVRHA Micro Silica in refractory materials?

A: KVRHA Micro Silica enhances refractory material strength, reduces porosity, and improves dimensional stability thanks to its amorphous structure and high melting point. These attributes increase thermal shock resistance and prolong the service life of linings and castables.

Q: Which industries commonly use KVRHA Micro Silica and for what purposes?

A: KVRHA is widely used in construction (high-performance concrete, grout, mortar), in refractory production for lining furnaces and kilns, and in oil well cementing to improve slurry characteristics. Its wide-ranging utility makes it sought-after in sectors prioritizing strength, durability, and reduced permeability.

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