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colloidal silica&silica sol used for vacuum forming refractory fibrous shapes

Basic Info

Model No.: 12451515

Product Description

Silica sol &Colloidal silica

Silica sol is a colloidal solution, odorless and non-toxic. Silica sol is a dispersion of nano-scale silica particles in water or solvent. Since the SiO2 in the silica sol contains a large amount of water and hydroxyl groups, the silica sol can also be expressed as SiO2.nH2O.

Specification

Content(%) Na2O(%) PH value Density(g/cm3) Viscosity(mPa.s) Partical size Shelf life
29-31 ≤0.4% 9.0-11.0 1.19-1.21 ≤10 8-20 24 months


Application

Inorganic Fibrous Shapes
colloidal silica is the binder used for vacuum forming refractory fibrous shapes such as:

Insulation board
Ceramic fireplace
Foundry tools
Other parts requiring high temperature stability.

Advantages
Low density
Resistance to thermal shock
Practically no thermal expansion
Resiliency
Resistance to mechanical shock and vibration
Flexibility in control of product properties
Usefulness at temperatures up to 1650°C (3000°F) with certain fibers
Properties of the composites can be varied by the type and amount of fiber or binder, different fabrication processes, post-treatments, and specialty coatings.

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Package


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Shelf life
The maximum shelf life of different silica sol products is not the same, and they are all indicated in the product data sheet. Product storage time beyond the shelf life or storage under adverse conditions may affect the performance of the product.

Temperature
Silica sol is a freezing-sensitive material. If allowed to freeze, the product will agglomerate into lumps or appear gelatinous and cannot be recovered. If the product is frozen, it is likely to become useless and must be disposed of. If exposed to higher storage temperature for a long time, the shelf life of the product will be shortened. In order to reduce the influence of temperature on silica sol products and maximize the shelf life, they should be stored at the recommended storage temperature of 20°C (68°F). Generally speaking, environmental conditions of 5°C to 35°C (+40°F to 95°F) are also acceptable, but please refer to the product data sheet for individual product storage recommendations.

Quality Test Center

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Our Company

Founded 2010,Shandong Dexiang International Trade Co. LTD. is trading so many kinds of chemicals for over 10 years.

Our main products: colloidal silica(silica sol), Ion exchange resin, medical &health agent etc. basic organic chemicals and inorganic chemicals.

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Transportation

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FAQ

1.Are you trader or manfacturer?

Both. During the 10 years, we have so many cooporation factories from every chemicals.


2.How can we get sample?

Just contact us, and you will get the sample.


3.How can we charge the sample ?

SAMPLE IS FREE, just pay for the freight.


4.Any questions, just contact us, and you will have the best products and best service.

Contact us if you need more details on Silica Sol. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Silica Dioxide、Silica Solution. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Inorganic Chemicals > Oxide