SPHERE ONE EXTENDOSPHERES™ SL-150 Hollow Spheres

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SPHERE ONE EXTENDOSPHERES™ SL-150 Hollow Spheres
Categories:	Ceramic; Oxide; Silicon Oxide; Other Engineering Material; Additive/Filler for Polymer
Material Notes:	EXTENDOSPHERES™ SL are white, low-cost, low-density ceramic hollow spheres. Applications: With a density of 0.73 g/cc and a crush strength of 3,000 psi, these hollow spheres are ideal for use in coatings, sealants, caulks and other applications where low shrinkage, lightweight and white particles are desired. Information provided by Sphere One Inc.
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Physical Properties	Metric	English	Comments

Bulk Density	0.400 g/cc	0.0145 lb/in³
Density	0.730 g/cc	0.0264 lb/in³
Particle Size	10 - 150 µm	10 - 150 µm
	90 - 110 µm	90 - 110 µm	Mean

Mechanical Properties	Metric	English	Comments
Hardness, Mohs	5.0	5.0
Compressive Strength	20.7 MPa	3000 psi

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	1700 °C	3090 °F	Deformation temp

Component Elements Properties	Metric	English	Comments
Al2O3	38.5 %	38.5 %
Fe2O3	0.50 %	0.50 %
SiO2	59 %	59 %
TiO2	1.7 %	1.7 %

Descriptive Properties
Color	Off White
Physical Form	Free-Flowing Powder
Shell Thickness	Approx. 10% of diameter

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