High purity Silica Oxide

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1.import Micro-silica
3.Production capacity 3000 ton per month
4.Third party inspection certificat

We are a professional trading leading group in china with more than 20 years trading experience .our major products are silica fume/microsilica and mainly export to middle east, australia , japan and south korea. the sio2 of silica are 85%, 90% and 93% 95% 96% 97% and each order will be tested by sgs test before shipment.

Technical Data:


Standard Value

Silicon Dioxide(SiO2)

min 90 %

Loss on Ignition(L.O.I) @ 975°C

max 3 %

Moisture Content (H2O)

max 2 %

Percent Retained On 45μm (325 sieve)

max 2 %

Bulk Density


Microsilica Packing: 900kg/jumbo bags and 25kg small plastic woven bags.

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Q:What is silica? What's the function of protein powder?
On the beach, hundreds of millions of SiO2 lie by the water and bask in the sun. The health of the people living by the river is harmless to the human body. In protein powder as an anti caking agent to prevent agglomeration, but long-term or large inhalation of free silica will cause lung disease. Usually drink water contains silica composition.
Q:What are the characteristics of silicon dioxide?
Silica dioxide, also known as silica, chemical formula SIO2. There are two kinds of crystalline silica and amorphous silica in nature.
Q:Compared with carbon black, what kind of properties do the white carbon reinforce?
The real good white carbon looks like a hairy feeling.
Q:How does silica naturally form?
Pure quartz is a colorless crystal, large and transparent, prism like quartz called crystal. If they contain trace impurities in crystal with different colors, amethyst, Citrine, topaz etc.. Ordinary sand is quartz fine sand, a (iron impurity) and white sand (less impurities, Jiao Chunjing).
Q:How to solve the gel problem between silicone oil and white carbon?
Silica is a porous substance whose composition can be represented by SiO2 nH2O, where nH2O exists as a surface hydroxyl group. Soluble in caustic and hydrofluoric acid, insoluble in water, solvent and acid (except hydrofluoric acid). High temperature, non flammable, tasteless, odorless, and good electrical insulation.
Q:How much is the content of silica in cement?
There are two kinds of crystalline silica and amorphous silica in nature. Silica is widely used, mainly used in making glass, water glass, pottery, ceramic, refractory material, aerogel blanket, ferrosilicon, silicon sand, cement, etc., in ancient times, silica is used to make the glaze porcelain and carcass. Ordinary stones consist mainly of silica and calcium carbonate.
Q:Is silica dioxide edible? What's the effect?
With continuous coverage ability very strong, on the digestive tract mucosa, can prevent the invasion of a variety of endogenous and exogenous attack factor on gastrointestinal epithelial cells, which form the protection mode, erosion effectively defense and isolated acid, enzymes and food on the ulcer, due to the characteristics of natural nano structured light shale opal,
Q:Does marble dust contain silica?
But not all of the so-called anti-dust masks has a good protective effect, but also has anti-dust masks of various grades and ranks. The protective effect of the respirator depends on 2 aspects: the tightness of the mask and the face and the protective efficiency of the filtering cotton on the superfine dust.
Q:Is silica and white carbon a product?
And white carbon is a special silica. Belong to silica category.Fumed silica is prepared by gas phase method, precipitation method, gel method, etc..Silica includes white carbon black.
Q:Why is silica in high purity water unstable?
In the IR recovery process, the organization's MZ is over 0, but time is different. Use this characteristic to suppress an organization. As fat, because its T1 time is shorter than other tissues, take TI=0.69T1 (T1 for fat relaxation time), fat signal is better than 0 points, can not receive its signal. Highlight other organizations.When the T1 FLAIR sequence is very long, almost all of the MZ has been restored, only T1 very long tissue MZ close to 0, such as water, liquid signal is suppressed, and other special organization. FLAIR (Fluid, Attenuation, IR) is often used to suppress CSF. Application of IR sequences

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