Silica Fume

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Silica Fume Specification

Application
Used in construction industry as a pozzolanic material for high-strength concrete and refractory applications

Taste
Tasteless

Shape
Amorphous particles

HS Code
281122

Ingredients
Amorphous silicon dioxide

Physical Form
Fine powder

Storage
Store in a cool dry and well-ventilated area away from moisture

Poisonous
NO

Molecular Formula
SiO2

Structural Formula
SiO2

Grade
Construction Grade

CAS No
69012-64-2

Refractive Rate
1.458

Ph Level
6.07.5

Solubility
Insoluble in water

EINECS No
273-761-1

Density
2.2 Gram per cubic centimeter(g/cm3)

Usage
Additive in concrete grouts and mortars to improve strength and durability

Shelf Life
12 months if stored properly

Appearance
Grey to white powder

Melting Point
1650C

Smell
Odorless

Molecular Weight
60.08 g/mol

Purity
85%92%

Properties
High surface area high silica content improves mechanical properties of materials

About Silica Fume

Silica Fume is a product of producing silicon metal and ferrosilicon alloys. It is widely used in concrete. Due to its chemical and physical properties, this fume is very reactive pozzolan. The concrete containing silica fume can have very high strength & can be very long lasting. In addition, it is available from suppliers of concrete admixtures and, when stated, is added at the time of concrete production. Silica Fume in concrete is available in wet or dry forms.

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