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Sodium Hexametaphosphate
Molecular
formula: Na(n+2)PnO(3n+1);( n = 9-15)
Molecular
weight: 978-1592
Characteristics:
Sodium Hexametaphosphate is a glassy, amorphous sodium polyphosphate.
white or clear, free flowing, odorless granules.
Items
Specifications:
Application
of Sodium Hexametaphosphate:
Consumer Products: The unique combination of SHMP's
ability to sequester water hardness and its infinite solubility in water makes
it a product of choice in applications such as laundry boosters, water conditioners
and in bath beads.
Industrial Water Treatment: SHMP can be used in continuously recycled industrial
water as a softener and to control scale formation in condensers, heat exchangers,
pipelines and boilers. SHMP has two particular advantages over the tripolyphosphates
in industrial water treatment. First, it maintains polyphosphate properties
longer in high temperature systems at mildly alkaline pH's. Second, its infinite
solubility in water allows very concentrated stock solutions to be prepared.
Potable Water Treatment: Due to the sequestration and threshold properties
of SHMP, it is commonly added to potable water to aid in corrosion control
and antiscaling of distribution equipment and lines.
Industrial Cleaning: In the textile industry, SHMP is used to chelate calcium
and iron, hence keeping their salts from being
redeposited on the surface of the fabric. It also provides good dispersion
in pigmenting and dyeing operations.
Film Development: The excellent sequestering properties of SHMP improve the
efficiency of the photographic film developing process by chelating foreign
metal ions.
Oil Well Drilling Mud: Deflocculants are required in oil well drilling mud
to maintain high specific gravity at the low viscosity necessary for easy
pumping. SHMP is an excellent deflocculant and offers superior cost-performance
in wells with depths down to 5,000 feet.
Kaolin Clay Processing: SHMP is effective as a deflocculant in the preparation
of high solids slurries with sufficient fluidity to allow rapid settling of
coarse impurities. Another advantage occurs in the final bleaching of the
clay with sulfuric acid. With SHMP's neutral PH, a minimal amount of sulfuric
acid is required to lower the pH to 3.5, which is required for effective bleaching.
Package:
25kg net packed in anti-humidity Kraft paper bag lined with plastic sheet
inside.
50lb net in multi-ply Kraft paper bags lined with PE sheet.
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