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Metakaolin Powder

Name: Metakaolin Powder
Brand: ASTRRA CHEMICALS LLP

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MOQ : 10 Kilograms

Metakaolin Powder Specification

Refractive Rate
1.56

Density
2.6 Gram per cubic centimeter(g/cm3)

Smell
Odourless

Taste
Odourless, tasteless

Molecular Formula
Al2O32SiO2

Shape
Powder

Poisonous
No

Molecular Weight
222.04 g/mol

Ph Level
6.5-7.5

Melting Point
1700C

Purity
>98%

Storage
Store in a dry, cool place away from moisture

Solubility
Insoluble in water

Other Names
Calcined Kaolin

Structural Formula
(Al2O32SiO2)

Form
Fine Powder

HS Code
25070010

Classification
Aluminosilicate

Chemical Name
Metakaolin

CAS No
92704-41-1

EINECS No
215-286-4

Grade
Industrial Grade

Standard
ASTM C618, IS 456

Type
Pozzolanic Additive

Usage
For improving mechanical and durability properties of concrete

Main Material
Metakaolin (Calcined Kaolin)

Application
Other

Non Toxic
No

Bulk Density
350 - 450 kg/m3

Particle Size
D50 < 5 microns

Loss on Ignition (LOI)
<2%

Moisture Content
<1%

Color
White to Off White

Compressive Strength Enhancement
Improves concrete compressive strength by 10-20%

Shelf Life
24 Months

Fineness
>80% passing through 45 micron

Reactive Silica
>50%

Al2O3 Content
>40%

Packaging
25 kg / 50 kg HDPE bag, Jumbo bag

Metakaolin Powder About

Premium Performance Mineral Additive for Sustainable Concrete

Stronger | Durable | Greener

WHY METAKAOLIN?

High Strength Concrete
Superior Durability
Lower Carbon Footprint
Proven Performance

KEY APPLICATIONS

Concrete & Cement (HPC, Precast, Marine Structures)
& Plasters (Tile Adhesives, Wall Putty)
Infrastructure (Roads, Bridges, Dams)
Industrial Uses (Ceramics, Paints, Rubber)

PERFORMANCE BENEFITS

Enhances Strength & Load Capacity
Reduces Cracking & Efflorescence
Improves Chemical & Thermal Resistance
Eco-Friendly & Sustainable

RECOMMENDED DOSAGE

5% - 15% Cement Replacement
Up to 20% for High-Performance Mixes

BUILD STRONGER. BUILD SMARTER. BUILD GREENER.

Innovating Chemistry for a Sustainable Future

Superior Performance in Construction

Developed specifically for the construction sector, Metakaolin Construction LLP's fine powder offers remarkable compressive strength enhancement in concrete by leveraging its high purity and reactivity. Rigorously tested and certified, it aligns with leading industry standards, guaranteeing consistent and efficient results when used as a supplementary cementitious material or admixture.

Versatile Applications and Easy Usage

Engineered for a broad range of uses, this metakaolin is not limited to concrete and cement; it also augments paints and ceramics. Its insolubility in water, fine texture, and stable shelf life simplify storage, handling, and mixing processes, ensuring user-friendly application for manufacturers, exporters, importers, and suppliers across India.

FAQ's of Metakaolin Construction LLP:

Q: How should Metakaolin Construction LLP's metakaolin be stored for optimal shelf life?

A: To maintain its quality and ensure a full 24-month shelf life, store metakaolin in a dry, cool location away from direct moisture. Using the original HDPE or jumbo bags is recommended for best results.

Q: What benefits does metakaolin provide when used as a concrete additive?

A: When added to concrete, metakaolin enhances compressive strength by 10-20%, significantly improves durability, and reduces permeability. These benefits help achieve longer-lasting, high-performance concrete structures.

Q: Where can Metakaolin Construction LLP's metakaolin be applied?

A: This metakaolin is suitable for construction projects as a cement additive, concrete admixture, as well as in paints and ceramics, offering versatile solutions for multiple industrial sectors.

Q: What process should be followed to use metakaolin in concrete applications?

A: For concrete admixture, metakaolin is typically blended with dry cement powders or added during batching. Dosages depend on specific application requirements and desired performance properties, following guidelines such as ASTM C618 and IS 456 standards.

Q: When is the best stage to add metakaolin in cement-based mixes?

A: Metakaolin can be added during the initial mixing stage with other dry ingredients or introduced during batching for concrete mixes to ensure even dispersion and optimal reactivity.

Q: How does metakaolin improve the mechanical properties of construction materials?

A: Owing to its pozzolanic activity and high reactive silica and alumina content, metakaolin reacts with calcium hydroxide in cement mixtures, forming additional binding compounds that enhance both strength and durability.

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