Sodium metasilicate
Sodium metasilicate pentahydrate
Item | SMP GRANULAR | SMP POWDER |
Appearance | white granule | white powder |
Na₂O, % ≥ | 28.20 | 28.20 |
SiO₂, % ≥ | 27.80 | 27.80 |
Fe, ppm ≤ | 80 | 80 |
Bulk density, g/cm³ | 0.85–0.90 | 0.70-0.85 |
Particle size, % | 1400 μm–425 μm | 425 μm (40 mesh) sieve |
Whiteness index, % ≥ | 85 | 90 |
Water insoluble, % ≤ | 0.020 | 0.020 |
Transparence, % ≥ | 90 | 90 |
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《Industrial SodiumMetasilicate》,Enterprise Standard Q-PG/Ⅱ-02-18-J《Industrial Sodium Metasilicate》
Properties:Meting point is 72.2℃,It is easily dissolved in waterand difficut dissolved in ethanol and acid.The solution is sighlyalkaline.It is easily to absorb moisture when it is stocked in theopen air.It has chaacters of decontamination,decentralization,wetness,penetrability,and PH value buffer capacity.
Packaging and storage:Double bags,PE baginside,PP bag orcomposite bag made of kraft paper and polypropylene braidedfabric outside,with net weight of 25kg;Alternatively,it may bepackaged in other appropriate ways and with net weight of1000/500kg.Don't store it in the open air.Avoid rain and directsunlight and keep dry.