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sodium metasilicate Anhydrous Powder
2012-05-14



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)
≥ 90.00

425 μm (40 mesh) oversize ≤ 5.00;250 μm (60mesh) undersize
≥ 40.00

425 μm (40 mesh) oversize ≤ 1.00;250 μm (60mesh) undersize
≥ 90.00

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.