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Degreasing and Cleaning News from Standard Industrial Systems Ltd
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How Clean is Clean? - Surface World Article by Glenn Greenlees
Surface World Article by Glenn
Greenlees - Solvent Cleaning, a balanced view
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Alcoa Lingotes
Alcoa Lingotes, a
Manufacturing
components for a prestigious
Process integrity and consistency is maintained by
a unique process of counter re-fill and automatic chemical dosing.
Standard Industrial Systems
continues it's Company policy of supplying only the world's best in both
aqueous and solvent cleaning and degreasing technologies.
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HS
Marston Aerospace,
In an
ongoing programme to remove Trichloroethylene from it's manufacturing processes
H.S. Marston Aerospace has recently taken delivery of a second hermetically
sealed solvent degreasing system from Standard Industrial Systems Ltd.
Having
extensively reviewed many alternative processes for the thorough degreasing of
both aerospace and Formula One heat exchanger components and assemblies, the
Company decided that remaining with organic solvents was the only proven format
to ensure cleaning without residual fluid remaining entrapped within the
complex geometries typical with this branch of manufacture.
Supported
in the
In making the vital but necessary move from traditional "open-topped" vapour systems to comply with the strict requirements of the Emissions Directive 1999/13/EC as well as to drastically reduce solvent costs, the Company first of all installed a smaller unit in 2002 to prove the format before committing fully to the Standard Industrial Systems process.
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Pilkington Research Centre, Lathom
World-renowned
glass manufacturers Pilkington has recently installed a multi-step aqueous wash
system for precision cleaning of glass samples at their
Supplied
by Standard Industrial Systems, the application demanded cleanliness of the highest order before processing in a
new
state-of-the art coating installation.
Cleanliness
of the washed samples is gauged by measuring the contact angle formed on the
glass surface by a sample of pure water injected upon it.
The
complex process includes the use of a high quality pure water (1mS/cm) throughout
the various stages beginning with an alkaline (Ecospray 5275) followed by an
intermediate rinse. A further acid wash is followed by successive rinses and a
hot drying facility, all stages being completed within a single chamber without
operator intervention after the initial loading. Cross contamination of the
various stage fluids has been eliminated by a unique process of counter refills
and the continuous automatic dosing of the selected chemical constituents. Both
acid and alkaline fluids are combined to form a neutral fluid for disposal,
again achieved in-process without operator involvement.
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