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Sodium Metasilicate Pentahydrate (Dry Process) Industry Grade - Outao Inorganic Materials
опис
● Sodium metasilicate pentahydrate is a non-toxic, odorless, pollution-free white powder or crystalline particle. It is easily soluble in water and insoluble in alcohol and acid. The aqueous solution is alkaline and has the properties of descaling, emulsifying, dispersing, moistening and permeability. And has buffering ability for pH value. It is an inorganic salt product that easily absorbs moisture and deliquesces when placed in the air.
● It is used as a diluting agent in the ceramic industry. It has good fluidity, so it has high content, high purity, and strong ability to degumming mud per unit product. It is a cost-effective product among silicate products. At the same time, sodium metasilicate pentahydrate is also widely used in the washing industry, metal surface treatment industry, refractory raw materials and other fields.
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General technical specifications
Serial no. | Quality parameters | Technical indicators | Unit |
1 | Sodium oxide content | 28.0~30.0 | % |
2 | Content of silica | 27.0~29.0 | % |
3 | Water-insoluble | ≤0.1 | % |
4 | Relative density | 0.7~1.0 | g/cm3 |
5 | Melting Point | 72 | °C |
6 | Granularity(20meshes pass rate)（1000μm-425μm） | ≥80 | % |
7 | Whiteness | ≥75 | % |
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