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Cellulose Acetate Spheres are highly spherical plastic particles in sizes between 1mm and 12mm. Custom colors and sizes are available by request. Large, highly-spherical and colorful plastic particles are a useful tool as reference particles in simulation experiments and are successfully used in vision systems and fluidized bed applications.
Other colors, sizes and grades of spherical particles are available: Spherical Particles (From 1mm to 12mm)
Cellulose Acetate Spheres have high impact and mechanical strength as well as a high dielectric constant and good resistance to a variety of chemicals. Large brightly colored spheres are supplied in dry powder form and are color stable in solution.
Density: ~1.3g/cc
Material Safety Data Sheet - Cellulose Acetate Spheres
Research involving cellulose acetate spheres: Influence of composite particle formation on the performance and economics of grit removal.
Polypropylene Polymer Spheres (White, Red, Uncolored/Natural) ~0.9g/cc - 2mm and 10mm
Price: $74.61-$224.23
Polystyrene Polymer Spheres (Various Collors) ~1.05g/cc - 1mm to 7mm
Price: $74.61-$390.79
Yttria Stabilized Zirconia Solid and Holow Microspheres and Spheres 4-6g/cc - 5um to 1600um (1.6mm)
Price: $147.08-$301.97
Black Paramagnetic Polyethylene Microspheres 1.2g/cc - 10um to 1400um (1.4mm)
Price: $142.04-$529.70