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Retroreflective Aluminum-Coated Solid Barium Titanate Glass Microspheres 4.1-4.5g/cc - Bulk Grades with Optional Coatings - Particle Diameters 30-100um

Retroreflective Half-Shell Aluminum Coated Solid Glass Microspheres
Retroreflective Half-Shell Aluminum Coated Solid Glass Microspheres

Material Safety Data Sheet (SDS) - Aluminum Coated Solid Glass Microspheres
Material Saferty Data Sheet (SDS) – Silane Treated Aluminum-Coated Solid Glass Microspheres
Material Safety Data Sheet (SDS) – Fluorochemical Treated Aluminum-Coated Solid Glass Microspheres

Application Instructions for Retroreflective Spheres

P2453BTA metallized spheres product line consists of solid, barium titanate glass microspheres with a 40 - 50 micron typical mean diameter, a tight particle size distribution, with an upper sphere diameter of less than 100 micron. The microspheres incorporate a hemispherically coated aluminum shell which provides maximum retroreflection. In bulk, these metallized glass spheres appear as a grey powder. Under an optical microscope, each individual microsphere displays a partial aluminum coating.

The spheres are offered in dry powder form with the following coating options:
  • Uncoated - no surface treatment
  • Silane Coating (S2) - for improved dispersion in aqueous systems (~76 degree contact angle)
  • Fluorochemical Coating (F35) - NEW FORMULA - for improved hydrophobicity to bring the spheres to the surface in solvent based systems
  • Fluorochemical Coating (F1) - RETIRED FORMULA - for improved hydrophobicity to bring the spheres to the surface in solvent based systems

Physical Characteristics:
Coating: Half-shell Aluminum
Core: Solid Barium Titanate Glass
Sphericity: >90% of particles are spherical
Density: 4.1-4.5g/cc, exact density varies by lot and is specified for the purchased lot of material
Index of Refraction: ~1.9
Appearance: Grey powder
Hardness: 55 – 65 on Gardner Scale
Crush Strength: 30,000 psi

In-stock orders ship in one business day. Please contact us for custom size ranges or volume pricing.

Also see other Barium Titanate Glass Spheres.

P2453BTA is a product of Prizmalite distributed through Cospheric LLC.

 Item # Description/Size Availability Price Qty
P2453BTA-4.3 30-53um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.3g/cc 30-53um - Uncoated - 25g
In Stock $187.95
P2453BTA-4.3 30-53um - 1kg
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.3g/cc 30-53um - Uncoated - 1kg
In Stock $557.00
P2453BTA-4.3 30-63um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.3g/cc 30-63um - Uncoated - 25g
In Stock $159.00
P2453BTA-4.3 30-63um - 1kg
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.3g/cc 30-63um - Uncoated - 1kg
In Stock $472.50
P2453BTA-4.2 30-100um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.2g/cc 30-100um - Uncoated - 25g
In Stock $103.95
P2453BTA-4.2 30-100um - 1kg
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.2g/cc 30-100um - Uncoated - 1kg
In Stock $174.00
P2453BTA-4.49 30-100um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres ~4.3g/cc 30-100um - Uncoated - 25g
In Stock $103.95
P2453BTA-S2-4.2 30-100um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.2g/cc 30-100um - Silane Coating - 25g
In Stock $114.45
P2453BTA-S2-4.2 30-100um - 1kg
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.2g/cc 30-100um - Silane Coating - 1kg
In Stock $186.90
P2453BTA-F1-4.49 30-100um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres ~4.3g/cc 30-100um - Fluorochemical Coating - 25g
In Stock $114.45
P2453BTA-F1-4.49 30-100um - 1kg
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres ~4.3g/cc 30-100um - Fluorochemical Coating - 1kg
In Stock $186.90
P2453BTA-F35-4.2 30-100um - 25g
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.2g/cc 30-100um - Fluorochemical Coating - 25g
In Stock $114.45
P2453BTA-F35-4.2 30-100um - 1kg
Retroreflective Aluminum Coated Solid Barium Titanate Glass Microspheres 4.2g/cc 30-100um - Fluorochemical Coating - 1kg
In Stock $186.90

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About the Company:

Cospheric is a global leader in manufacturing and distribution of precision nanospheres, microspheres, and larger precision spherical particles. Scientists and engineers worldwide rely on us as a proven source to fulfill their needs for microparticles in narrow size ranges, wide selection of colors, densities, properties and formulations. We leverage our extensive technical expertise in micropowders to help each customer find an optimal microparticle solution for their needs. We ship worldwide daily out of our Santa Barbara, CA manufacturing facility.
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