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Product Technical Indicators of Sodium Silicate

Sodium silicate can be applied to the industry of silica, molecular sieve, silica gel, silica sol, detergent, casting and binders.

Executive standard: GB/T4209

1. Solid

Solid Indicators	S350			S330			S280			S250
Solid Indicators	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified
Soluble solids，w/% ≥	99.0	98.0	97.0	99.0	98.0	97.0	99.0	98.0	97.0	99.0	98.0	97.0
Iron (Fe),w/% ≤	0.015	0.10	/	0.015	0.10	/	0.015	0.10	/	0.015	0.10	/
Aluminium oxide (Al₂O₃),w/% ≤	0.15	0.30	/	0.15	0.30	/	0.15	0.30	/	0.15	0.30	/
Modulus	3.41~3.70			3.11~3.40			2.65~3.10			2.20~2.64

2. Liquid

Liquid Indicators	L350-36			L330-37			L280-41			L250-47			L250-37
	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified	Excellent	First Grade	Qualified
Iron (Fe),w/% ≤	0.01	0.03	/	0.01	0.03	/	0.01	0.03	/	0.01	0.03	/	0.01	0.03	/
Water insoluble matter, w/% ≤	0.10	0.40	0.50	0.10	0.20	0.80	0.10	0.40	0.50	0.20	0.80	1.00	0.10	0.40	0.50
Density (20℃) / (g/ml) ≥	1.332			1.345			1.397			1,483			1.345
Sodium Oxide (Na₂O), w/% ≥	7.5			8.2			10.2			12.8			9.5
SiO_2,w/% ≥	25.0			26.0			25.7			29.2			22.1
modulus	3.41~3.70			3.11~3.40			2.65~3.10			2.20~2.64			2.20~2.64

Applications of sodium silicate: Sodium silicate can be applied to the industry of silica, molecular sieve, silica gel, silica sol, detergent, casting and binders.

Ultra-Fine Silica Product Type And Technical Indicators

None

Market application scope