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Sodium metasilicate pentahydrate
2012年05月15日
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.
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