Microspheres Online

Everything about microspheres and research utilizing precision spherical particles.

Microsphere news

Advantages of Borosilicate Glass Microspheres in 0.03mm to 0.2mm sizing

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Borosilicate Glass Microbeads
BSGMS 63-75 micron at 40x magnification

High quality glass microspheres for research and development are always in high demand.? In an effort to better serve scientists Cospheric recently added a complete line of high quality borosilicate microspheres, and microbeads.

Borosilicate glass offers? advantages over standard soda lime glass microbeads.

  • Roundness is >90%?? (Soda lime >85%)
  • Density is the lowest of most glasses at 2.2g/cc? (Soda Lime 2.5g/cc)
  • Very low thermal expansion coefficient? 32×10-7/?C?? (for 30-300?C)?? (Soda Lime:? 90×10-7/?C)

The high roundness, and low thermal expansion make borosilicate spheres an excellent candidate for use as spacers in epoxy bond lines, or other applications which require stability over a wide temperature range.

Borosilicate glass spheres are now offered in narrow size ranges from 0.03mm to 0.2mm with greater than 90% of the particles in range.

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Magnetic Microspheres – New Size Ranges Offered

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Cospheric announces new particle size ranges for its BKPMS, Paramagnetic Microsphere product.

Thanks to customer demand for narrower particle size ranges of paramagnetic microspheres. Cospheric has added the following sizes to its extensive inventory of microspheres offered in the dry powder form:

Neutrally Buoyant Particles – What Are They, What Are They Used For, How to Use Them?

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Suspension of microspheres in water enables the visualization and characterization of fluid flow and testing the capability of devices to withstand particulate matter in the fluid stream, ensuring that microspheres do not settle and do not float on the surface. Most of these polymer microspheres are at least moderately opaque and clearly visible in water, clear or translucent liquids.

Phosphorescent Microspheres – Long Afterglow Particles

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Phosphorescent microspheres in particle sizes 10 to 600 microns are now available from Cospheric LLC. These phosphorescent particles are 90% spherical and appear to be off-white under ordinary daylight or regular room illumination.? However, when the lights are turned off these phosphorescent particles exhibit phosphorescent yellow-green after-glow. The spheres have tight particle size distributions and … Read more

Density Marker Beads – Microspheres with Specific gravity of 1.065 and 1.075

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In the biomedical industry researchers are sometimes looking for cells having targeted specific gravities. In order to locate these cells in test tubes it is useful to have colored marker beads which will show where the delineation between specific densities occurs. Two microsphere products having densities of 1.065 g/cc and 1.075 g/cc were recently released. These spheres are offered with density tolerances of ?0.005 g/cc enabling excellent stratification, and bright blue and red coloration for high visibility with the unaided eye.

Microspheres: Technologies and Global Markets

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An extensive market research report titled Microspheres: Technologies and Global Markets was recently published by BCC Research marketing firm. The microspheres report examines the spherical microparticles used as components in many advanced materials and composites, in the healthcare and personal care industries, and in many specialty research and development applications. The report estimates the size … Read more

Silica Microspheres – 6 micron mean Diameter

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Silica is a chemically stable inorganic synthetic material. It has the benefit of providing no irritation to human skin. Silica is essentially transparent, colorless and promote a high degree of slip in products. The skin feel is generally lubricious in nature. Spherical silica imparts exceptional lubricity to loose and pressed powder products. The effect is increased ‘play time’ and a luxurious feel. Spherical products with mean particle size between 3 to 10 micron will scatter light on the surface of its particle, ie which are transparent, but give natural coverage.

Monodisperse – Spacer Grade Microspheres

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Scientists are constantly looking for narrower particle size distributions (monodispersed) of microspheres to help increase the consistency and correlation between theoretical models and verification experiments.? In an effort to fill the increasing demand for these particles Cospheric has launched a new line of spacer grade microspheres. Monodisperse microspheres are currently offered in diameters of:?? 21-24um, … Read more

Patent Review: Use of Adsorbent Carbon Microspheres for Treatment of Irritable Bowel Syndrome

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One embodiment disclosed herein includes a method of treating one or more symptoms of irritable bowel syndrome by administering to the subject adsorbent carbon microspheres with a particle size of 0.01mm to about 2 mm to reduce the abdominal discomfort or pain. In one embodiment, the amount of the adsorbent carbon microspheres is sufficient to achieve at least about a 50% reduction in the number of days the subject experiences abdominal pain or discomfort.

Patent Review: Preparation of Swellable and Deformable Microspheres

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United States Patent number 7,794,755 was issued on September 14, 2010, describing the process for preparation of swellable and deformable microspheres. The patent is assigned to E.I. du Pont de Nemours and cites Figuly, Mahajan, and Schiffino as inventors.

Microspheres Online

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We are compiling a digital database on everything that has to do with microspheres and creating a destination for scientists working with  precision spherical particles.

What we offer:
  • introduction to microsphere products and their uses;
  • technical information and what specifications are important;
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