Issue 01 – September 2011
material costs to our customers. This
Furthermore gravimetric blending
excessive material usage is almost
facilitates the blending of multiple
always a minimum of 10 percent
materials with different and/
and frequently much more. Indeed,
or variable bulk density.
excess masterbatch usage of between 20 and 50 percent is not
KH: Can you tell us about your
uncommon, resulting in inconsistent
relationship with Plastribution?
product quality, function and form. SH: Summit Systems have shared In contrast a gravimetric blender
success at the Plastic Industry Awards
solves the problem of incorrect
and worked together on a number of
dosage as it automates the job
projects for Plastribution customers. It
of calibration and correction by
is an important partnership in which
checking and adjusting the addition
we can provide practical support to
rate in every cycle. Details of the
Plastribution customers, ensuring that
potential savings achieved through
their innovative plastic raw material
the use of gravimetric blending
solutions can be realised within
can be found on our website at:
the production environment.
“It is an important partnership in which we can provide practical support to Plastribution customers, ensuring that innovative plastic raw material solutions can be realised within the production environment”
www.summitsystems.co.uk/media/ documents/blenderbusinesscase.pdf
The relative merits of principal blending methods
Distribution
Consistency
Risk of Separation
Risk of Error
Capital Cost
Life-time Cost
Hand Blending
Poor
Poor
High
High
Low
High
Tumble Blending
Good
Poor
High
High
Low
High
Volumetric Blending
Good
Good
Low
Low
Gravimetric Blending
Good
Good
Low
Low
Medium
High
High
Low
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