SODIUM METASILICATE PENTAHYDRATE

Sodium Metasilicate Pentahydrate Powder 

Certificate of Analysis

Batch number: 201501100231    Production date：20150110

Expire Date: 20170109

   Excellent product （HG/T 2568-2008）

  Specification                  index                 Test Result

Silicon dioxide(SiO2)% 27.8-29.2                 28.3

Sodium oxide(Na2O)% 28.3-30.0                28.7

Water insoluble % ≤0.05                                0.005

Fe(ppm) % ≤100                                               50

Whiteness% ≥80                                             89

Bulk Density 1.05-1.35g/cc                           1.18

PH of 1.0% Solution 12-13                           12.6

Melting Point 72.2℃                                       72.2℃

Particular Size%(20-200mesh)≥90            99

In wash industry:

1.      It has the strong capability ofcleaning, widely used for the manufacture of a variety of detergents indetergent industry, so it is the best substitute for STPP, reducingenvironmental pollution.

2.      Sodium metasilicate providesanti-corrosion protection to metals(zinc, aluminum,ets) and is used as metalcleaner and metal surface treatment agents.

In the textile industry

Mainly used as printing and dyeingauxiliaries, fabric pre-treatment agent an as detergents in cooking and dyeingcotton yarn.

In the paper&printing industry

It can be used as adhesives, old paperdeinking agent, paper surface treatment agent and printing detergent.

In the ceramic incustry

Used for sludge thinners,it is especiallysuitable for additives used in slip-casting forming and ceramic forming.

In the meatallurgical industry

Used as inhibitors and dispersing agent ofsilicon-containing minerals, smelting furnace dispersants, fast-drying agents,foundry and separating agents.

In construction field

Used for concrete dispersion agent andhardening accelerator, it is also used as coagulation accelerator.