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Microspheres (10-1000um)

What are microspheres?

We define microspheres as spherical particles greater than 1micron and smaller than 1000micron (or 1mm) in diameter. Microspheres with diameters between 1micron and 10micron are larger than nanospheres, but on the bottom edge of microsphere particle sizes, and, therefore, we put them in their own Fine microspheres category.

What are different grades of microspheres?

We offer microspheres in various grades, defined by their particle size distribution. The tighter the particle size requirements, the more monodisperse the distribution, the smaller the tolerances, the more precise the microspheres, which also typically makes them more expensive. If the particle size distribution is wider, and the tolerances are larger, the diameter of each microsphere might fall into a larger range, which makes the product more economical. We arbitrarily divided microspheres in three grades: Spacer/Calibration/Monodisperse Grade, Classified Grade, and Bulk Grade.

What are spacer microspheres? What are monodisperse microspheres?

Spacer or Calibration grade, also known as Monodisperse Microspheres, is the most precise grade we offer. In this grade of microparticles greater than 95% of individual microspheres have the diameter that falls within the defined particle size (diameter) range. This is the most expensive grade due to the extensive processing time and intensive quality control process involved in manufacturing of this grade of product. Spacer spheres are invaluable for applications where precise bondline thickness and gap control are paramount.

What does "classified microspheres" mean?

Classified grade microspheres means that greater than 90% of microspheres are guaranteed to fall between the lower and upper diameter limits as specified. Most of Cospheric's products are produced in classified grade. It is a happy medium and a compromise between quality and price, for those applications that can tolerate some distribution of diameters. The lower and upper diameter parameters are clearly defined.

What are bulk grade microspheres?

Bulk grades of microspheres have the lowest requirements and typically a much wider range of diameters, which are defined individually for each product and might vary from product to product. This is the most economical option for applications where the exact microsphere diameter is not critical.


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Products 1-50 of 90
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 1um to 1700um (1.7mm)
>90% in particle size range and >90% spherical.
[more info...]
Price: $99.00-$248.50


Solid Soda Lime Glass Microspheres 2.5g/cc<br>Particle Sizes between 1micron and 7.1mm
Product ID: SLGMS-2.5
Classified Grades of Soda Lime Solid Glass Microspheres.
>85% spherical >90% in size range. Many particle sizes between 1um and 7.1mm.
[more info...]
Price: $55.00-$248.50


Spacer Spheres - Monodisperse Solid Soda Lime Microspheres - Calibration Grade
Product ID: S-SLGMS-2.5
Bondline Spacer / Calibration/Monodisperse Grades of Soda Lime Solid Glass Microspheres.
>90% spherical and 95% in size range. Tight particle size ranges between 18micron and 219micron in diameter.
[more info...]
Price: $125.00-$297.50


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 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 1.015g/cc
Product ID: UVPMS-BG-1.015
Fluorescent Green Polyethylene Microspheres Density 1.015g/cc
Bright Green Polymer Beads Diameter 355micron to 500um (0.5mm)
[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 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-$112.50


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 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 1.20g/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 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 1.050g/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 1.070g/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


Clear Poly(Methyl Methacrylate) PMMA Microspheres
Product ID: PMPMS-1.2
Poly(Methyl Methacrylate) PMMA microspheres supplied in dry powder form
>90% in particle size range. Particle sizes between 3um-145um
[more info...]
Price: $112.50-$279.50


Black Paramagnetic Polyethylene Microspheres 10um to 1mm in Diameter<br>Paramagnetic microspheres have the ability to increase their magnetization with an applied magnetic field and decrease their magnetism when the field is removed.
Product ID: BKPMS
Paramagnetic microspheres have the ability to increase their magnetization with an applied magnetic field and decrease their magnetism when the field is removed. [more info...]
Price: $99.00-$248.50


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 6150um (6.2mm)
[more info...]
Price: $125.00-$299.00


300 Series Stainless Steel Microspheres
Product ID: SSMMS
Solid 304 Stainless Steel Metal microspheres supplied in dry powder form
>90% in particle size range. Sizes from 1um to 1200um (1.2mm)
[more info...]
Price: $99.00-$248.50


Highly Opaque White Polyethylene Microspheres, Polymer Beads, Particles
Product ID: WPMS
Highly Opaque White Polyethylene Microspheres, Polymer Beads, Particles
Various Sizes 10micron to 1200um (1.2mm) in Diameter
[more info...]
Price: $99.00-$248.50


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


Retroreflective Half-Shell Aluminum Coated Solid Glass Microspheres
Product ID: P2453BTA-4.2 30-100um
Retroreflective Half-shell Aluminum Coating on Solid Barium Titanate Glass Microspheres
Density 4.1-4.5g/cc. Particle Size 30-100um. Uncoated, Silane and Fluorochemical Coatings
[more info...]
Price: $99.00-$550.00


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


Hollow Glass Microspheres - Density 0.14g/cc
Product ID: HGMS
Classified Grades of Hollow Glass Microspheres
Densities from 0.05 to 0.8g/cc
Sizes from 5um to 180um
[more info...]
Price: $99.00-$248.50


Hollow Glass Microspheres - Density 0.14g/cc
Product ID: HGMS-0.14
Classified Grades of Hollow Glass Microspheres 0.06-0.55g/cc
Various Sizes Between 5micron and 250micron.
[more info...]
Price: $112.50-$248.50


Hollow Glass Microspheres - Density 0.6g/cc
Product ID: HGMS-0.6
Classified Grades of Hollow Glass Microspheres
Densities from: 0.6-0.83g/cc
Sizes from: 5 and 30micron.
[more info...]
Price: $99.00


Hollow Glass Microspheres - Density 0.46g/cc
Product ID: HGMS-0.46
Classified Grades of Hollow Glass Microspheres 0.3-0.8g/cc
Various sizes between 5 and 90micron.
[more info...]
Price: $99.00-$198.50


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 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-$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


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 (1.0mm) Index of Refraction: ~1.9 [more info...]
Price: $99.00-$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 0.3-1000um (1.0mm) - Index of Refraction: 1.9 [more info...]
Price: $50.00-$158.00


Orange Polyethylene Microspheres Density 1.00g/cc<br>Spherical Opaque Polymer Particles for Flow Visualization and PIV
Product ID: ORGPMS
Orange Polyethylene Microspheres
Density: 1.00g/cc, 1.015g/cc
Sizes: 20um to 1200um (1.2mm)
[more info...]
Price: $99.00-$248.50


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


Orange Polyethylene Microspheres Density 1.00g/cc<br>Spherical Opaque Polymer Particles for Flow Visualization and PIV
Product ID: ORGPMS-1.015
Orange Polyethylene Microspheres Density 1.015g/cc
Spherical Opaque Polymer Particles for Flow Visualization and PIV
[more info...]
Price: $99.00-$197.50


Grey Polyethylene Microspheres Density 1.02g/cc<br>Spherical Opaque Grey Particles for Flow Visualization and PIV
Product ID: GRYPMS
Grey Polyethylene Microspheres
Density 1.00g/cc, 1.02g/cc, 1.05g/cc
Sizes: 20um-1200um (1.2mm)
[more info...]
Price: $99.00-$248.50


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


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-$248.50


Red Polyethylene Microspheres<br>Bright Red Spherical Polymer Microparticles
Product ID: REDPMS
Red Polyethylene Microspheres
Bright Red Spherical Polymer Microparticles
[more info...]
Price: $99.00


Red Polyethylene Microspheres Density 0.98g/cc<br>Bright Red Spherical Polymer Microparticles
Product ID: REDPMS-0.98
Red Polyethylene Microspheres Density 0.98g/cc
Bright Red Spherical Polymer Microparticles
[more info...]
Price: $99.00-$248.50


Red Polyethylene Microspheres Density 1.070g/cc<br>Bright Red Polymer Spherical Microparticles
Product ID: REDPMS-1.070
Red Polyethylene Microspheres Density 1.070g/cc
Bright Red Polymer Spherical Microparticles
[more info...]
Price: $99.00-$125.00


Red Polyethylene Microspheres Denstiy 1.080g/cc<br>Bright Red Polymer Spherical Microbeads
Product ID: REDPMS-1.080
Red Polyethylene Microspheres Denstiy 1.080g/cc
Bright Red Polymer Spherical Microbeads
[more info...]
Price: $99.00-$197.50


Red Polyethylene Microspheres Density 1.065g/cc<br>Bright Red Polymer Spherical Microparticles
Product ID: REDPMS-1.065
Red Polyethylene Microspheres Density 1.065g/cc
Bright Red Polymer Spherical Microparticles
[more info...]
Price: $99.00


Red Polyethylene Microspheres 1.035g/cc<br>Bright Red Spherical Polymer Microparticles
Product ID: REDPMS-1.035
Red Polyethylene Microspheres 1.035g/cc
Bright Red Spherical Polymer Microparticles
[more info...]
Price: $99.00


Red Polyethylene Microspheres Density 1.09g/cc<br>Bright Red Polymer Spherical Microbeads
Product ID: REDPMS-1.09
Red Polyethylene Microspheres Density 1.09g/cc
Bright Red Polymer Spherical Microbeads
[more info...]
Price: $99.00


Red Polyethylene Microspheres Density 1.12g/cc<br>Bright Red Polymer Spherical Microbeads
Product ID: REDPMS-1.12
Red Polyethylene Microspheres Density 1.12g/cc
Bright Red Polymer Spherical Microbeads
[more info...]
Price: $99.00


Bulk Grades of Solid Soda Lime Glass Microspheres 2.52g/cc. Optional Fluorochemical and Silane Coatings.<br>Mean Diameters 3.5-5.5um, 8.5-12um, 34-42um, 65-75um.
Product ID: P2000SL-2.5
Bulk Grades of Solid Soda Lime Glass Microspheres 2.5g/cc. Optional Fluorochemical and Silane Coatings.
Mean Diameters 3.5-5.5um, 8.5-12um, 34-42um, 65-75um.
[more info...]
Price: $50.00-$168.00


Yttria Stabilized Zirconia Microspheres, Spherical Particles, Beads
Product ID: YSZMS/YSZS
Ceramic spheres and microspheres with very high strength, toughness, and excellent wear and impact resistance. [more info...]
Price: $99.00-$148.50


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Products 1-50 of 90