Standard compliance: HG/T 2568-2008 “Industrial Sodium Metasilicate”，Enterprise Standard Q/0213DYP 001-2013 “Industrial Sodium Metasilicate”.
Sodium Metasilicate Anhydrous Beaded
Sodium Metasilicate Anhydrous Powder
TYPE Ⅰ
TYPE Ⅱ
TYPE Ⅰ
TYPE Ⅱ
TYPE III
Superior
First
Superior
First
Superior
Appearance
white beaded granule
white powder
Total alkali (Na2O), %
49.50-51.50
49.50-51.50
49.50-51.50
49.50-51.50
49.50-51.50
Silica (SiO2), %
46.00-48.00
46.00-48.00
45.50-47.50
45.50-47.50
45.00-47.50
Iron (Fe), ppm ≤
100
200
100
200
100
Bulk density, g/cm3
1.05-1.35
1.05-1.35
1.05-1.35
1.05-1.35
1.05-1.35
Particle size, %
18-60 mesh
≥93.00
18-60 mesh
≥93.00
18-60 mesh
≥93.00
18-60 mesh
≥93.00
Up 40 mesh≤5.00
Pass 60 mesh≥40.00
Up 40 mesh≤1.00
Pass 60 mesh≥90.00
Pass 100 mesh≥80.00
Whiteness index, % ≥
88
80
88
80
90
Water insoluble, % ≤
0.15
0.25
0.15
0.25
0.25
Transparence, % ≥
——
——
80
60
50
Application: Sodium metasilicate anhydrous is used for the production of laundry powder, laundry detergent, meal cleaning, industrial cleaning agent. And it can be used for ceramics, cement, refractory materials, grinding strengthening agent; cement additives, dispersants for construction, etc.
Properties: Sodium metasilicate anhydrous is an inorganic salt, white powder or crystalline particles, is non-toxic and tasteless. Sodium metasilicate anhydrous soluble in water, insoluble in alcohol and acid, aqueous solution is alkaline. The melting point is 40-48 °C.
Packaging and storage: Double bags, PE bag inside, PP bag or composite bag made of kraft paper and polypropylene braided fabric outside, with net weight of 25±0.2 kg. Alternatively, it may be packaged in other appropriate ways and with net weight of 1000/500kg. Don't store it in the open air. Avoid rain and direct sunlight and keep dry.
