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By Color

Cospheric offers an exclusive product line of brightly-colored polyethylene microspheres. Cospheric's polyethylene micropheres range in size from 10micron to 1000micron (1 millimeter) and in some cases up to 1.2mm. The uniqueness of our product is that the colorant is bright, fully embedded into the microsphere, uniformly distributed, and will not fade over time or leach out of the particle into the solution. The colored microspheres are conveniently provided in a glass vial or a glass jar as a free-flowing dry powder, which does not have an expiration date and can be safely stored at room temperature indefinitely.

Currently we have a large stock of sizes in clear (uncolored polyethylene), white, red, blue, green, black (paramagnetic), yellow, red, violet, pink, orange, and grey microspheres. This is one of our core product lines and we welcome requests for custom colors and/or custom densities between 0.98g/cc and 1.2g/cc, which are often used for medical technology applications. Browse a large selection of microsphere products on-line or contact a microsphere expert for a recommendation or a custom quote. Place an order on-line 24/7. We ship microspheres worldwide on a daily basis!


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Products 1-50 of 107
Barium Sulfate White Polyethylene Polymer Microspheres<br>MRI or X-Ray Medical Applications - Density of 1.00g/cc
Product ID: BSPMS-1.00
Barium Sulfate White Polyethylene Polymer Microspheres - MRI or X-Ray Medical Applications - 1.00g/cc [more info...]
Price: $125.00-$248.50


Barium Sulfate White Polyethylene Polymer Microspheres - Particles for MRI or X-Ray Medical Applications - Density of 1.5g/cc
Product ID: BSPMS-1.5
Barium Sulfate White Polyethylene Polymer Microspheres - MRI or X-Ray Medical Applications - 1.5g/cc [more info...]
Price: $148.50-$248.50


Barium Titanate Solid Glass Microspheres 30-100 micron and 0.3-1mm Diameter
Product ID: BTGMS-4.49-B
Bulk Grades of Barium Titanate Solid Glass Microspheres - 4.0-4.5g/cc - Sizes: 30-100um and 0.3-1.0mm - Index of Refraction: 1.9 [more info...]
Price: $50.00-$158.00


Barium Titanate Solid Glass Microspheres and Spheres
Product ID: BTGMS-4.49
Classified Grades of Barium Titanate Solid Glass Microspheres - Density: 4.0-4.5g/cc - Sizes: 5um to 1000um (1mm) Index of Refraction: ~1.9 [more info...]
Price: $99.00-$248.50


Barium Titanate Solid Glass Microspheres and Spheres
Product ID: BTGMS-ND2.2
Classified Grades of Barium Titanate Solid Glass Microspheres
Density: 4.35-4.38g/cc
Sizes: 5um to 85um
Index of Refraction: ~2.2
[more info...]
Price: $99.00-$248.50


Black Cellulose Acetate Polymer Spheres Density -1.3g/cc 2.5mm and 3.00mm<br>Other Sizes and Colors Available by Request
Product ID: CAS-BK-1.3
Black Cellulose Acetate Polymer Spheres Density ~1.3g/cc - Particle Diameter 1.5mm to 3.5mm
Other Sizes and Colors Available by Request
[more info...]
Price: $50.00


Black Paramagnetic Polyethylene Microspheres 10um to 1mm in Diameter<br>Polymer Spherical MicroBeads can be Manipulated with a Magnet
Product ID: BKPMS
Black Paramagnetic Polyethylene Microspheres, Density of 1.1g/cc and 1.2g/cc 10um to 1.4mm in Diameter
Polymer Spherical MicroBeads can be Manipulated with a Magnet
[more info...]
Price: $99.00-$248.50


Blue Cellulose Acetate Polymer Spheres Density -1.3g/cc 2.0mm Other Sizes and Colors Available by Request
Product ID: CAS-BL-1.3
Blue Cellulose Acetate Polymer Spheres Density ~1.3g/cc - Particle Diameter 2.0mm & 2.5mm
Other Sizes and Colors Available by Request
[more info...]
Price: $50.00


Blue Fluorescent Hemispherical Coating on Solid Glass Microspheres 45-53 micron - 100X magnification
Product ID: HCMS-FMB
Fluorescent Blue Hemispherical Coating on Borosilicate, Soda Lime or Barium Titanate Solid Glass Spheres
Color: Bright Blue under daylight and UV illumination (445nm peak emission)
[more info...]
Price: $295.00-$495.00


Blue Polyethylene Microspheres Density of 1.00g/cc <br>Spherical Particles for Flow Visualization and PIV
Product ID: BLPMS-1.00
Blue Polyethylene Microspheres Density of 1.00g/cc
Spherical Blue Particles for Flow Visualization and PIV
[more info...]
Price: $99.00-$248.50


Blue Polyethylene Microspheres Density of 1.00g/cc <br>Spherical Particles for Flow Visualization and PIV
Product ID: BLPMS-1.02
Blue Polyethylene Microspheres Density of 1.02g/cc
Spherical Blue Particles for Flow Visualization and PIV
[more info...]
Price: $125.00


Blue Polyethylene Microspheres Density 1.08g/cc<br>Bright Blue Polymer Spherical MicroBeads
Product ID: BLPMS-1.08
Blue Polyethylene Microspheres Density 1.08g/cc
Bright Blue Polymer Spherical MicroBeads
[more info...]
Price: $99.00-$148.50


Borosilicate Solid Glass Microspheres 2.2g/cc<br>Many Sizes 20micron to 6150mm
Product ID: BSGMS-2.2
Classified Grades of Borosilicate Solid Glass Microspheres 2.2g/cc
>90% spherical and >90% in size range. Particle Sizes Between 20micron and 6150micron.
[more info...]
Price: $125.00-$299.00


Borosilicate Solid Glass Spheres 2.2g/cc<br>Many Sizes 850micron to 6.15mm
Product ID: BSGS-2.2
Classified Grades of Borosilicate Solid Glass Microspheres 2.2g/cc
>90% spherical and >90% in size range. Particle Sizes Between 850micron to 6.15mm
[more info...]
Price: $125.00-$175.00


Fluorescent yellow spheres. Neutrally-buoyant microspheres for flow visualization.
Product ID: UVPMS-BY-1.00
Bright Yellow Polyethylene Microspheres 1.00g/cc - Various Sizes Between 500micron and 0.85mm
Neutrally-buoyant spheres for flow visualization.
[more info...]
Price: FREE


Red Cellulose Acetate Polymer Spheres Density -1.3g/cc - 1.5mm and 3.00mm<br>Other Sizes and Colors Available by Request
Product ID: CAS-1.3
Cellulose Acetate Polymer Spheres Density 1.3g/cc - Particle Diameters 1mm to12mm
Other Sizes and Colors Available by Request
[more info...]
Price: $50.00


Large PMMA Spheres
Product ID: PMMAMS-1.2
Clear Poly(Methyl Methacrylate) PMMA microspheres supplied in dry powder form
>90% in particle size range. Particle sizes between 150 and 750micron.
[more info...]
Price: $197.50


Clear Poly(Methyl Methacrylate) PMMA Microspheres
Product ID: PMPMS-1.2
Clear Poly(Methyl Methacrylate) PMMA microspheres supplied in dry powder form
>90% in particle size range. Particle sizes between 3 and 150micron.
[more info...]
Price: $112.50-$279.50


Large PMMA Spheres
Product ID: PMMAS-1.2
Clear Poly(Methyl Methacrylate) PMMA Spheres supplied in dry powder form
>90% in particle size range.
[more info...]
Price: $55.00


Clear Polyethylene Microspheres 0.96g/cc - Various Sizes 100micron to 1700micron (1.7mm)
Product ID: CPMS-0.96
Clear Polyethylene Microspheres 0.96g/cc - Various Sizes 1micron to 1700micron (1.7mm)
>90% in particle size range and >90% spherical.
[more info...]
Price: $99.00-$248.50


Clear Polyethylene Particles 0.96g/cc - Various Sizes 0.6mm - 2.8mm
Product ID: CPB-0.96
Clear Polyethylene Particles 0.96g/cc - Various Sizes 0.6mm - 2.8mm
Polymer Beads >90% in Particle Size Range >75% Round
[more info...]
Price: $55.00


Fluorescent Blue Polyethylene Polymer Microspheres, Particles, Beads<br>Density 1.13g/cc
Product ID: UVPMS-BB-1.13
Fluorescent Blue Polyethylene Polymer Microspheres - Density 1.13g/cc
Bright Blue UV Fluorescent Polymer Particles, Beads, Spheres
[more info...]
Price: $99.00-$197.50


Fluorescent Green Polyethylene Microspheres<br>Density 1.00g/cc for Flow Visualization and PIV
Product ID: UVPMS-BG-1.00
Fluorescent Green Polyethylene Microspheres Density of 1.00g/cc
Spherical Flourescent Particles for Flow Visualization and PIV
[more info...]
Price: $99.00-$248.50


Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Beads Density 1.015g/cc
Product ID: UVPMS-BG-1.015
Fluorescent Green Polyethylene Microspheres Density 1.015g/cc
Bright Green Polymer Beads Diameter 355micron to 500um
[more info...]
Price: $99.00


Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Beads Density 1.01g/cc
Product ID: UVPMS-BG-1.01
Fluorescent Green Polyethylene Microspheres Density 1.01g/cc
Bright Green Polymer Spheres Diameter 27micron to 425um
[more info...]
Price: $99.00-$197.50


Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Microbeads Density 1.025g/cc
Product ID: UVPMS-BG-1.025
Fluorescent Green Polyethylene Microspheres with Density 1.025g/cc
Bright Green Polymer MicroBeads
[more info...]
Price: $99.00-$248.50


Fluorescent Green Polyethylene Microspheres<br>Bright Green Polymer Beads Density 1.02g/cc
Product ID: UVPMS-BG-1.02
Fluorescent Green Polyethylene Microspheres Density 1.02g/cc
Bright Green Polymer Spheres or Beads
[more info...]
Price: $99.00


Fluorescent Green Polyethylene Microspheres Density 1.035g/cc<br>Bright Green Polymer Spherical Microbeads
Product ID: UVPMS-BG-1.035
Fluorescent Green Polyethylene Microspheres Density 1.035g/cc
Bright Green Polymer Spherical Microbeads
[more info...]
Price: $99.00-$197.50


Fluorescent Orange Polyethylene Microspheres Density 1.00g/cc<br>Spherical Bright Orange MicroBead Polymer Particles for Flow Visualization and PIV
Product ID: UVPMS-BO-1.00
Fluorescent Orange Polyethylene Microspheres Density 1.00g/cc
Spherical Bright Orange MicroBead Polymer Particles for Flow Visualization and PIV
[more info...]
Price: $99.00-$248.50


Fluorescent Orange Polyethylene Microspheres Density 1.015g/cc<br>Bright Orange Polymer Spherical MicroBeads
Product ID: UVPMS-BO-1.015
Fluorescent Orange Polyethylene Microspheres Density 1.015g/cc
Bright Orange Polymer Spherical MicroBeads
[more info...]
Price: $99.00-$197.50


Fluorescent Orange Polyethylene Microspheres Density 1.030g/cc<br>Spherical Polymer Particles Fluorescent in UV Light
Product ID: UVPMS-BO-1.03
Fluorescent Orange Polyethylene Microspheres Density 1.03g/cc
Spherical Polymer Particles Fluorescent in UV Light
[more info...]
Price: $99.00-$197.50


Fluorescent Orange Polyethylene Microspheres Density 1.040g/cc<br>Spherical Polymer Particles Fluorescent in UV Light
Product ID: UVPMS-BO-1.040
Fluorescent Orange Polyethylene Microspheres Density 1.040g/cc
Spherical Polymer Particles Fluorescent in UV Light
[more info...]
Price: $99.00-$125.00


Fluorescent Red Polyethylene Microspheres<br>Density 0.995g/cc<br>Bright Fluorescent Red Particles 605nm Peak.
Product ID: UVPMS-BR-0.995
Fluorescent Red Polyethylene Microspheres Density 0.995g/cc
Bright Fluorescent Red Particles 605nm Peak. Works well with Green Lasers.
[more info...]
Price: $99.00-$248.50


Fluorescent Red Polyethylene Microspheres Density 1.050g/cc<br>Bright Fluorescent Red Particles 605nm Peak.
Product ID: UVPMS-BR-1.050
Fluorescent Red Polyethylene Microspheres Density 1.050g/cc
Bright Fluorescent Red Particles 605nm Peak. Works well with Green Lasers.
[more info...]
Price: $99.00-$197.50


Fluorescent Red Polyethylene Microspheres Density 1.090g/cc<br>Bright Fluorescent Red Particles 605nm Peak.
Product ID: UVPMS-BR-1.070
Fluorescent Red Polyethylene Microspheres Density 1.070g/cc
Bright Fluorescent Red Particles 605nm Peak. Works well with Green Lasers.
[more info...]
Price: $248.50


Fluorescent Red Polyethylene Microspheres Density 1.090g/cc<br>Bright Fluorescent Red Particles 605nm Peak.
Product ID: UVPMS-BR-1.090
Fluorescent Red Polyethylene Microspheres Density 1.090g/cc
Bright Fluorescent Red Particles 605nm Peak. Works well with Green Lasers.
[more info...]
Price: $99.00-$248.50


Fluorescent Red Polyethylene Microspheres Density 1.20g/cc Bright Fluorescent Red Particles 605nm Peak
Product ID: UVPMS-BR-1.20
Fluorescent Red Polyethylene Microspheres 1.20g/cc - Various Sizes 10um to 600um (0.6mm) [more info...]
Price: $99.00-$248.50


Fluorescent Violet Polyethylene Microspheres<br>Density 1.00g/cc for Flow Visualization and PIV
Product ID: UVPMS-BV-1.00
Fluorescent Violet (Purple) Polyethylene Microspheres Density of 1.00g/cc
Spherical Flourescent Particles for Flow Visualization and PIV
[more info...]
Price: $148.50-$248.50


Fluorescent Violet Polyethylene Microspheres<br>Density 1.06g/cc
Product ID: UVPMS-BV-1.06
Fluorescent Violet (Purple) Polyethylene Microspheres Density of 1.06g/cc
Spherical Flourescent Particles
[more info...]
Price: $99.00-$148.50


Fluorescent Yellow Microspheres Density 1.00g/cc for Flow Visualization and PIV<br>Bright Fluorescent Yellow-Green Particles with UV and Visible Illumination
Product ID: UVPMS-BY2-1.00
Fluorescent Yellow Microspheres Density 1.00g/cc for Flow Visualization and PIV
Bright Fluorescent Yellow-Green Particles with UV and Visible Illumination
[more info...]
Price: $99.00-$248.50


Fluorescent Yellow Microspheres Density 1.02g/cc for Flow Visualization and PIV<br>Bright Fluorescent Yellow-Green Particles with UV and Visible Illumination
Product ID: UVPMS-BY2-1.02
Fluorescent Yellow Microspheres Density 1.02g/cc for Flow Visualization
Bright Fluorescent Yellow-Green Particles with UV and Visible Illumination
[more info...]
Price: $148.50-$197.50


Blue Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter
Product ID: FMB-1.3 1-5um
Blue Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter.
Excitation and Emission Wavelength Spectra. Peak at 445nm.
[more info...]
Price: $99.00


Green Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter.
Product ID: FMG-1.3 1-5um
Green Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter
Excitation and Emission Wavelength Spectra. Peak at 515nm.
[more info...]
Price: $99.00


Orange Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter.
Product ID: FMO-1.3 1-5um
Orange Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter.
Excitation and Emission Wavelength Spectra. Peak at 606nm.
[more info...]
Price: $99.00


Orange-Yellow Fluorescent Microspheres 1-5micron (um) - Emission Wavelength Spectra 594nm Peak, Excitation Wavelength Specta 460nm Peak
Product ID: FMOY-1.3 1-5um
Orange-Yellow Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter
Emission Wavelength Spectra 594nm Peak, Excitation Wavelength Specta 460nm Peak
[more info...]
Price: $99.00


Red Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron
Product ID: FMR-1.3 1-5um
Red Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter.
Excitation and Emission Wavelength Spectra. Peak at 607nm.
[more info...]
Price: $99.00


Violet Fluorescent Microspheres 1-5micron (um) - Emission Wavelength Spectra 636nm Peak, Excitation Wavelength Specta 584nm Peak
Product ID: FMV-1.3 1-5um
Violet Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter
Emission Wavelength Spectra 636nm Peak, Excitation Wavelength Specta 584nm Peak
[more info...]
Price: $99.00


Yellow Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter
Product ID: FMY-1.3 1-5um
Yellow Luminescent, Ultraviolet Fluorescing Polymer Microspheres 1 - 5micron in diameter.
Excitation and Emission Wavelength Spectra. Peak at 525nm.
[more info...]
Price: $99.00


Green Cellulose Acetate Polymer Spheres Density -1.3g/cc - Particle Diameters 1.8mm and 2.9mm
Product ID: CAS-GRN-1.3
Green Cellulose Acetate Polymer Spheres Density ~1.3g/cc - Particle Diameters 1.9mm-2.8mm
Other Sizes and Colors Available by Request
[more info...]
Price: $50.00


Green Fluorescent  Hemispherical Coating on Solid Glass Microspheres 45-53 micron - 100X magnification
Product ID: HCMS-FMG
Fluorescent Green Hemispherical Coating on Borosilicate, Soda Lime or Barium Titanate Solid Glass Spheres
Color: Bright Green under daylight and UV illumination (515nm peak emission)
[more info...]
Price: $295.00-$495.00


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Products 1-50 of 107