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Article #126: Sandblast Your Way Through It All

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Sandblast is a process wherein a stream air contaminants during operation.
of sand is driven by a jet of compressed It is also important to consider that the
air or by water against a surface. This hoses as well as the other equipment used
creates a powerful abrasive action that to give the air supply to the sandblast
can clean and abrade any surface put operator should be able to deliver clean
under the jet of these abrasive and contaminant-free air.
particles. After operation, sandblast crew should
Abundant materials such as powdered only remove their air breathing apparatus
quartz, emery, and iron globules are when they are well away from the
usually used as the abrasive materials in workplace. The sandblast particles can
sandblast. remain suspended in the air for long
Sandblast is widely used for cleaning periods even after the operation.
casting iron at foundries. Sandblast is It is also necessary for sandblast
also used for preparing different operators to wear coveralls that will
surfaces for painting, enameling and provide suitable protection against
during galvanizing. Sandblast can also be rebounding abrasives during the operation
used in cleaning stubborn grime that has of the sandblast.
accumulated in the stonework of most Work gloves must also be used to protect
buildings. the full forearm. Sand blast operators
Sandblast can also be used to create must also be able to wear the appropriate
frosted designs on glass by placing a safety footwear.
suitable stencil or pattern over a plate It is also important to carry out the
of glass and applied with a little sandblasting operations in an area where
sandblast. The jet of abrasive particles the abrasive materials and other possible
of the sandblast will strike the contaminants are safely contained and
uncovered portions of the plate glass and will poser no threat to other workers or
create that frosted effect. to the public.
A sandblast operation can sometimes be a There are also some precautions that are
toxic undertaking. Sandblast operators to be observed when it comes to the
can be exposed to several harmful sandblast machine. The sandblast pot
particles such as lead or zinc that are where the abrasive particles are placed
important components of most commercial should be well grounded at all times.
surface coatings. It also must be provided with a safety
Sandblast operators can also be exposed shut down feature to further protect the
to the hazards of the abrasive particles sandblast operator. It is also important
being used. Without the proper safety to remember to turn off the sandblast pot
equipment like goggles to cover the eyes first while filling it with the abrasive
and suitable protective clothing to particles to prevent accidents from
shield against the flying particles, the happening.
sandblast operator and crew will be The entire sandblast unit should be
dangerously exposed to possible injury. thoroughly inspected for possible defects
That is why there are several safety before it is to be used. Sandblast
regulations to be followed before any nozzles should also be equipped with a
sandblast operations. safety control switch that will enable
Sandblast operators should use a standard the operator to control the sandblast at
issue air breathing apparatus while the nozzle.
operating the machine. This will insure Following these simple tips will ensure
that the sandblast operator will have a the crew with a trouble-free sandblast
steady supply of clean air supply amidst operation.
the workplace that will be filled with






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