Sodium carbonate dense

Sodium carbonate, commonly called soda ash, is an alkaline inorganic salt used as a glass-batch flux and a source of sodium oxide. In glass manufacture it helps lower the temperature needed to form a workable melt from silica-containing raw materials. In aqueous processes it also supplies alkalinity and reacts with selected metal ions to form insoluble carbonates.

The dense grade has granular particles and a higher bulk density than light soda ash. These physical characteristics are particularly useful in glass-batch handling because they help limit dust and segregation relative to much finer powders. Its chemistry remains sodium carbonate, distinct from sodium bicarbonate. The selected grade is introduced as a solid process raw material rather than a ready-made alkaline cleaning solution.

Typical Applications

• Container glass manufacture: Used in bottle and jar glass batches as a sodium-oxide source and flux. It is blended with silica sand, limestone and other batch components before melting.
• Flat glass production: Used in soda-lime glass recipes for architectural and automotive sheet glass. The dense granular form supports consistent batch feeding and mixing before the furnace.
• Sodium silicate manufacture: Used as an alkali source in production of sodium silicate from silica-bearing feedstock. The resulting silicate is subsequently supplied in solid or liquid form for downstream industrial uses.

Specifications

Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.