
sodium metasilicate Anhydrous Powder

Sodium Metasilicate Anhydrous Granular
Item | SMA GRANULAR | SMA POWDER 140 | SMA POWDER 160 |
Appearance | white beaded granule | white powder | white powder |
Na₂O, %≥ | 50.00 | 50.00 | 50.00 |
SiO₂, %≥ | 46.00 | 46.00 | 46.00 |
Fe, ppm ≤ | 100 | 160 | 160 |
Bulk density, g/cm³ | 1.05–1.35 | 1.05–1.35 | 1.05–1.35 |
Particle size, % | 1000 μm–425 μm (18–40mesh) | 425 μm (40 mesh) oversize ≤ 5.00;250 μm (60mesh) undersize | 425 μm (40 mesh) oversize ≤ 1.00;250 μm (60mesh) undersize |
Whiteness index, % ≥ | 90 | 90 | 90 |
Water insoluble, % ≤ | 0.040 | 0.150 | 0.150 |
Transparence, % ≥ | 90 | 70 | 70 |
Application:It is widely used to make various detergents, metal surface cleaner, pottery grinding aid, fire-resistant agent, water retention agent, degreasing agent, textile printing and dyeing agent, and paper deinking agent, etc.
Standard compliance:HG/T 2568-2008《IndustrialSodium Metasilicate》,Enterprise Standard Q-PG/Ⅲ-02-18-J《Industrial Sodium Metasilicate》
Properties:Melting point is 1089℃.It is easily dissolved in waterand difficult dissolved in ethanol and acid.The solution is slightlyalkaline.It is easily to absorb moisture whenitis stockedin the openair.Ithas characters of decontamination,decentralization,wetness,penetrability,andPH value buffer capacity.
Packaging and storage:Double bags,PE bag inside,PPbag or composite bag made of kraft paper and polypropylenebraided fabric outside,with net weight of 25kg;Alternatively,itmay be packaged in other appropriate ways and with net weightof 1000/500kg.Don't store itin the open air.Avoid rain and directsunlight and keep dy.