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- Ultralight - With nominal specific gravity of 0.02
gm/cc, SpexLite ®
Ultra Light Filler
Beads have a bulk density in
the range of approximately 1.0-1.6 pounds per cubic foot. This
allows the user to achieve far lower product weights than with
typical filler materials or conventional lightweight fillers, such
as glass microspheres or other expanded polymer materials.
Significant cost per volume savings are expected.
- Bead Form - The rounded shape of SpexLite ® provides the optimum
geometry for easy handling, processing and low resin absorption.
The individual beads are essentially encased in a polymer "skin"
which also minimizes liquid absorption. As polymer-based beads,
there is a much lower abrasion factor than with other fillers.
- Handling Characteristics - SpexLite ® products are designed to be
virtually inert within the limits of thermoplastic polymer
properties. [The user is cautioned to test for specific chemical
and heat resistance for each intended use]. They have a very
narrow particle size range, which makes them clean and basically
dust free. It is recommended that pumping and mixing be carried
out under very low shear conditions, using low speed mixing blades
for dispersion and proper static grounding procedures, along with
standard practice for personnel protection [This should include
dust masks where appropriate. Avoid spills, which could cause
loose footing and possible risk of injuries].
- Breakage - Because SpexLite ® beads are produced as closed cell
pellets, the typical crushing or breakage associated with other
lightweight fillers does not occur. Instead, there is a
deformation or distortion of the bead, which largely recovers when
the pressure is removed, thereby eliminating the creation of high
density, abrasive mineral fines in the case of other lightweights.
- Packaging - Standard packaging will be nominal 5 cubic foot/ 5
pound cardboard boxes with plastic liner bags, stacked 4 to a
layer and 5 layers high on a pallet. The pallet weight will be
100# net, with 26 pallets in a 53 foot trailer. SpexLite ® will
also be available in nominal 4'x4'x4' supersacks, with net weight
approx. 60-80 # each, loaded 52 to a truck.
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