Precision Microspheres
© 2009 XL Sci-Tech, Inc. All Rights Reserved
Precision Microspheres (iSpheres(TM)) Manufactuered by XL Sci-Tech Inc.
Functional Microspheres
Radioactive Microspheres
i Spheres™ have the highest sphericity (>95%) and quality
in the industry (>90% in range, minimal over Max).  Mono-
sized (i.e. mono-dispersed) spheres are even tighter in size
(tightest in the industry).  XL Sci-Tech has a proprietary
and advanced ON-DEMAND microspheres production
facility capable of large volume and custom sphere properties
(color, density, tracers/isotopes, diagnostic, fluorescent, …).
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i Spheres™ Product Code = Glass Code + Size Code
XLSLS: Soda lime silicate glasses for dimensional control such as bond line
XLHS:  High silica (Na, B free) glasses; Custom density and other properties
XLHD: High density (low silica) glasses for higher reflectivity
XLCF:   Custom formulations for specific chemical or biological functions
Size
Micron(um)
US Sieve
Codes
Min
Max
Max
Min
XXXYYY
Mono-sized >=100um
850XXX
850
XXX
XX
20
710850
710
850
20
25
600710
600
710
25
30
500600
500
600
30
35
425500
425
500
35
40
355425
355
425
40
45
300355
300
355
45
50
250300
250
300
50
60
212250
212
250
60
70
180212
180
212
70
80
150180
150
180
80
100
125150
125
150
100
120
106125
106
125
120
140
090106
90
106
140
170
075090
75
90
170
200
063075
63
75
200
230
053063
53
63
230
270
045053
45
53
270
325
038045
38
45
325
400
0XX038
XX
38
400
 
0XX0YY
Mono-sized <100um
XX YY
Contact us
Best Price
Best Quality
SEM or Optical Microscope Photomicrographs of Selected iSpheres   Size Distribution
Bond Line Thickness Control
i Spheres™ Desnity Range from 1.3 to 15.0 grams/cc
Density is a function of matrix material and micro/nano structure of
microsphers.  
i Spheres are made of glass, ceramic, polymer, metal/alloy or
hybrid/composite.  
Let us discuss the right i Spheres for your application.
i Spheres™ Colors and Surface Modifications
Colors and surface modifications or functionalizations are discussed as part
of Functional Microspheres product line.  
Contact us for any question.
iSpheres(TM) aka IsoSpheres(TM)
Bond Line Thickness Control Using Microspheres
i Spheres™ (aka IsoSpheres™)
Colors, Coatings and Surface Modifications of Microspheres
Size codes for standard U.S sieve sizes are shown in table to the right.  For
applications that require
extremely tight tolerance and non-standard sieve
sizes,
monodisperse i Spheres™ are available.  The tolerance can be specified
by customer in microns (e.g. 90±5um or 85-95um or size code 085095)
Sales Promotion
Ask Special Pricing for:
XLSLS063075
XLHD063075