About 2468 results:
Cement (146) , Sand (1)

MICRO-SILICA

FOB Price: US $120 - 140 / Metric Ton Get Latest Price
Min.Order Quantity: 22 Metric Ton/Metric Tons
Supply Ability: 1000 Metric Ton/Metric Tons per Month
Port: Kolkata
Payment Terms: L/C,D/P,T/T
Add to My Favorites

Quick Details

Place of Origin:
Maharashtra India
Brand Name:
CETEX

Packaging & Delivery

Packaging Detail: 20, 25, or Jumbo bag
Delivery Detail: 10 days

Specifications

MICRO-SILICA is finely powdered material, added to concrete for higher strength & lower permeability. 25kg or Jumbo bag.

DESCRIPTION

 

CETEX MICRO-SILICA is a super pozzolan - a finely powdered material which can be added to cementitious matter to increase durability and to provide a positive set. It complies with ASTM C1240.

 

 

ADVANTAGES

 

ü      Higher compressive strength by 10-20 %

ü      Lower permeability – resistance to penetration of water, chloride & other chemicals

ü      Lower free lime formation - delays ettringite and thaumasite formation

ü      Controls bleeding in fresh concrete

ü      Lower Heat of Hydration, which prevents formation of cracks.

 


PROPERTIES

 

Appearance                               Very fine powder

Colour                                      Grey

Odour                                       Odourless

Mean particle size                      25 microns

SiO2 – Silica                              85 % minimum

Humidity                                   2 % maximum

Loss on ignition at 800°C                    4 % maximum

 

 

HOW IT WORKS

 

1. Pozzolonic effect :When water is added to cement, hydration occurs as shown below:

 

OPC + H2O CSH (Calcium silicate hydrate) + Ca(OH)2(Free lime)

The free lime does not contribute to strength. When combined with carbon dioxide, it forms a soluble salt, which leaches through the concrete causing efflorescence, a familiar architectural problem. Concrete is also more vulnerable to chemical attack and detoriation. When it is added, the following reaction takes place:

 

Ca(OH)2 + SiO2 H20 + CSH

The reaction reduces the amount of calcium hydroxide in the concrete.

 

2. Micro filler effect : It is an extremely fine material, with an average diameter much finer than cement. It gets well distributed in the paste, thus blocking the bleed-water channels.

 

 

PACKING

 

Available in 25 kg Plastic bag or Jumbo Bag.

 

Not exactly what you want? 1 request,multiple quotations Get Quotations Now >>
The company manufactures following items: -
A) Polypropylene (PP) for better bonding with concrete from 1-40 mm length
B) Micro-silica
c) Lithium Silicate, Potassium Lithium silicate
C) Liquid Sealer & Densifiers for increasing the gloss & life of Concrete surface
D) Water repellent for making surface water stain free
E) construction chemicals-superplasticisers, set retarders, set accelerators, water reducing admixture, corrosion inhibitor admixture, sodium salt of naphthalene sulhonic ... View detail

Basic Information

Product/Service (We Sell): Lithium Silicate,construction Fiber,Microsilica,Potassium lithium silicate,sealers  
Number of Employees: 5 - 10 People  

Trade & Market

Main Markets: South Asia
Africa
Northern Europe
Eastern Europe
Southeast Asia
Mid East
Domestic Market
Total Annual Sales Volume: US$5 Million - US$10 Million  
Export Percentage: 31% - 40%  

Factory Information

Factory Location: Mumbai Area  
Number of R&D Staff: Less than 5 People  
Number of QC Staff: Less than 5 People  

Send your message to this supplier

How It Works

Verified Supplier - WALTAR ENTERPRISES
India | Contact Details
Experience: Established 2000

Communicate with Supplier:

Mr. Tarun Agrawal
Mr. Tarun Agrawal:
What can I do for you?
Not exactly what you want?
1 request,multiple quotations Get Quotations Now >>
You May Like: