{"id":10922,"date":"2025-10-11T19:37:29","date_gmt":"2025-10-11T16:07:29","guid":{"rendered":"https:\/\/novasilicate.com\/?p=10922"},"modified":"2025-11-08T23:09:17","modified_gmt":"2025-11-08T19:39:17","slug":"sodium-silicate-solid-na%e2%82%82sio%e2%82%83-5-major-applications-production-methods-and-buying-guide","status":"publish","type":"post","link":"https:\/\/novasilicate.com\/en\/sodium-silicate-solid-na%e2%82%82sio%e2%82%83-5-major-applications-production-methods-and-buying-guide\/","title":{"rendered":"Sodium Silicate Solid (Na\u2082SiO\u2083): 5 Major Applications, Production Methods, and Buying Guide"},"content":{"rendered":"

Sodium Silicate Solid (Na\u2082SiO\u2083): 5 Major Applications, Production Methods, and Buying Guide<\/span><\/h1>\n
Sodium silicate solid<\/strong>, also known as solid water glass<\/strong> or sodium metasilicate<\/strong>, is one of the most widely used inorganic materials in modern industry. This versatile compound combines silica and sodium to form a glassy, white, or transparent solid with exceptional chemical stability. It plays a vital role in detergents, construction, foundry, and water treatment industries.<\/article>\n
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Sodium Silicate Solid<\/p><\/div>\n

What Is Sodium Silicate Solid?<\/h2>\n

Sodium silicate solid is the dehydrated and concentrated form of liquid sodium silicate (water glass)<\/strong>. It is produced by removing water from the aqueous solution, resulting in a stable, non-hygroscopic solid. Chemically, it is a salt composed of silica (SiO\u2082)<\/em> and sodium oxide (Na\u2082O)<\/em>. The SiO\u2082 to Na\u2082O molar ratio<\/strong> affects the solubility, viscosity, and alkalinity of the compound.<\/p>\n

Main Production Methods of Sodium Silicate Solid<\/h2>\n

1. Furnace Process (Dry Method)<\/h3>\n

In this common process, silica sand (SiO\u2082)<\/strong> and sodium carbonate (Na\u2082CO\u2083)<\/strong> are mixed and melted at 1300\u20131500\u00b0C in a furnace. The resulting molten glass is cooled, crushed, and ground into flakes or powder. This method ensures high purity and large-scale efficiency.<\/p>\n

2. Hydrothermal Process (Wet Method)<\/h3>\n

In this method, high-purity silica is dissolved in concentrated sodium hydroxide (NaOH)<\/strong> under elevated temperature and pressure. The solution is evaporated and dried to form the solid product. This approach is suitable for producing grades with higher silica content.<\/p>\n

Advantages of Using the Solid Form<\/h2>\n