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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
(14–40 mesh) ≥ 90.00

425 μm (40 mesh) sieve
≥ 60.00

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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