Undensified Silica Fume Powder Concrete Admixture 450Kg/M3
92% Undensified Micro Silica Fume for Oilfield Cementing, Shotcrete, Concrete Admixture
1. Micro Silica Fume Introduction
According to the SiO2 content, our products can arrange form grade 85% to grade 96%. According to the bulk density, we can make our products into densified silica fume and undensified silica fume.
Undensified Silica Fume is mainly composed of SiO2 wollastonite, particle characteristics is ultrafine powder, the vast majority is less than 1 um, the average particle size is 0.1 um, has very high specific surface area (300-400 M2 / kg) and pozzolanic activity.
2. Specifications
| Analysis | Result | ||||
| SF85 | SF88 | SF90 | SF92 | SF94 | |
| SiO2(%) | 86.12 | 88.52 | 91.53 | 93.65 | 96.96 |
| Fe2O3(%) | 0.7 | 0.65 | 0.35 | 0.2 | 0.2 |
| Al2O3(%) | 0.38 | 0.26 | 0.22 | 0.2 | 0.2 |
| CaO+MgO(%) | 0.4 | 0.36 | 0.36 | 0.3 | 0.3 |
| K2O+Na2O(%) | 0.3 | 0.28 | 0.2 | 0.2 | 0.2 |
| Moisture(%) | 1.77 | 1.66 | 1.66 | 0.82 | 0.91 |
| Loss on lgnition(L.O.I)@975℃ (%) | 3.6 | 2.92 | 2.07 | 1.92 | 1.91 |
3. General advantages
● Lowers concrete permeability.
● Significantly increases concrete durability.
● Increases ultimate strength gain.
● Beneficial in all types of high strength concrete applications.
● Improves bond strength to steel.
● Significantly reduces alkali-silica reactivity.
● Provides excellent resistance to sulfate or seawater attack.
● Improves freeze/thaw durability of concrete.
4. Package
Packaging & Delivery:
10kg soluble paper bags x 84 on the pallets.
20kg soluble paper bags x 42 on the pallets.
950kg plastic woven bags x 2 on the pallets(with or without bottom output )
1000kg plastic woven bags x 2 on the pallets(with or without bottom output )
500kg plastic woven bags x 2 on the pallets (with or without bottom output )
We can also produce according to your requirements.
5. Applications
(1) 92% Undensified Silica Fume Used In Concrete
● Increacing strength
● Increasing density
● Frost resistance
● Early strength
● Abrasion resistance performance, anti-cavitations
(2) 92% Undensified Silica Fume For Cement
● Strengthens the fibre cement product.
● Increases the packing density of the cement matrix.
● Thereby enhance the durability of the fibre cement product.
● Enhances the plasticity of the fresh mix.
● Increases the bending strength of fibre reinforced cement
(3) 92% Undensified Silica Fume For Refractory
● Instead of aluminum oxide to be used as refractory material
● As additive in amorphous and shappely refractory products, greatly improved products strength and high temperature performance.
● As casting combination accelerators in integral teeming ladle
● Agglomerating agent, agglutinant, accelerator and additive in other refractory products..
(4) Other Applications Of 92% Undensified Microsilica
● Rubber industry
● Anti-caking industry
● Pellet binder
● Waterglass industry
● Shotcrete
● Self-Compacting Concrete
● Mining & Tunnelling.
● High rise buildings.
● For producing all concrete products including readymix concrete
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.