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Silica Fume For Precast Concrete Manufacturing

Silica Fume For Precast Concrete Manufacturing

Silica fume is a byproduct of producing silicon metal or ferrosilicon alloys, and is a finely divided powder that consists mostly of amorphous SiO2. It is an effective pozzolanic material that can be used as a supplementary cementitious material in concrete manufacturing.

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Description

Products Description

In precast concrete production, silica fume can be added to the concrete mix in order to improve the strength, density, durability, and other properties of the finished product. It can also reduce the amount of water needed in the mix, which contributes to faster curing times and improved workability. Silica fume is particularly useful in precast concrete applications where high-performance materials are required, such as in architectural and structural elements, precast walls and panels, and bridge components. Overall, the addition of silica fume to precast concrete mixes can greatly enhance the quality and longevity of the final product.

Specfication

 

Item

Grade 150

Grade 175

Grade 200

Grade 300

Grade 380

Specific surface area m2/g (BET way)

150±25

175±25

200±25

300±30

380±30

PH value(suspension liquid4%)

3.6~4.3

3.6~4.3

3.6~4.3

3.6~4.3

3.6~4.3

Heating loss weight(2 hour,105°C) % max

1.5

1.5

1.5

1.5

1.5

Burning loss (one hour 1000°C)weight % max

1

1

1

1

1

SiO2 wt.% min

99.9

99.9

99.9

99.9

99.9

Al2O3 wt.% max

0.03

0.03

0.03

0.03

0.03

Fe2O3 wt.% max

0.05

0.05

0.05

0.05

0.05

TiO2 wt.% max

0.03

0.03

0.03

0.02

0.02
   

 

R-C 1

R-C 3

 

Products Description

 

1.Silica Fume is a fine powder that consists of amorphous silicon dioxide, and is known for its excellent pozzolanic properties..

 

2. One of the key characteristics of Silica Fume for Precast Concrete Manufacturing is its ability to improve the mechanical properties of concrete.

 

3.Its ability to reduce bleeding and segregation in fresh concrete.

 

4. Silica Fume also has a high specific surface area, which makes it an excellent material for producing high-performance concrete with reduced permeability.


 

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