Spheriglass® Solid Glass Microspheres Spacer Application
General Characteristics
Potters Europe supplies a line of tightly sized solid glass microspheres for
use in adhesives to establish bond line thickness in adhesives. The spheres,
which have a soda-lime (A) composition, are certified to Hughes standard
specifications HMS20-1776B and Raytheon SCGMS-53004; In general, 90%
of
the
product
fits
within
the
gradation
specified.
With crush strength of 30,000 psi (207 Mpa), Potters glass microspheres are
incompressible. They are added in small amounts to adhesives and resins to
define the bond line thickness.
Potters
Product Code
Raytheon HMS20-1776D
& Hughes SCGMS-53004
Type
602578
602579
602580
602581
602582
602583
602584
602585
602586
602587
602588
602589
602590
I
II
III
IV
V
VI
VII
VIII
IX
X
XI
XII
XIII
Nominal
Diameter
inch
microns
0.0234
0.0165
0.0117
0.0098
0.0070
0.0049
0.0041
0.0035
0.0029
0.0025
0.0021
0.0017
0.0015
594.36
419.10
297.18
248.92
177.80
124.46
104.14
88.90
73.66
63.50
53.34
43.18
38.10
Typical Properties
Composition
Physical Form
Specific Gravity
Softening point
Refractive Index
Soda-Lime type A
Free
flowing
powder
3
2.5 g/cm
o
704 C
1.51
white
*90% of Product Within
Diameter Range of:
inch
microns
0.02
0.0139
0.01
0.0083
0.01
0.0041
0.00
0.0029
0.00
0.0021
0.00
0.0015
<
0.0234
0.0165
0.0117
0.0098
0.0070
0.0049
0.0041
0.0035
0.0029
0.0025
0.0021
0.0017
0.0015
500.38
353.06
248.92
210.82
149.86
104.14
88.9
73.66
63.5
53.34
43.18
38.10
<
594.36
419.10
297.18
248.92
177.80
124.46
104.14
88.90
73.66
63.50
53.34
43.18
38.10
*as determined by ASTM D-1214 Sieve analysis of Glass Microspheres
Packaging
Spheriglass® spacer microspheres are available in 5 pounds (2.26 Kg) can or 40 pounds (18.08 Kg) bucket
Storage
The cartons, bags and boxes used to pack our micro-spheres are designed to protect damages during shipment and handling.
Some cautions are given for a proper storage:
•
Store micro-spheres containers in dry conditions
•
Partially used containers should be tightly closed, not left open to the atmospheres for extended periods.
•
The products are hydroscopic and will tend to agglomerate upon prolonged exposure to moisture and humidity.
Safety Information
When using this product for prolonged exposure in dusty environments, inhalation may irritate the respiratory tract. NIOSHapproved mask or respirators are recommended when handling this product. Material Safety Data Sheets (MSDS) will be supplied
on request.
For further information on Spheriglass® for spacer applications, please do not hesitate to contact us:
Potters Europe – Engineered Glass Materials (EGM) Division
Pontefract Road
Barnsley
South Yorkshire S71 1HJ
United Kingdom
Tel. +44 (0)1226 704514
Fax. +44 (0)1226 207615
E-mail: [email protected]
Website: www.potterseurope.com
The technical Information presented herein is based on our best information available to us and is believed to be reliable. Potters Europe makes no warranties, either expressed or implied, with respect to
our materials, including the warranties of merchantability or fitness for any particular purpose. We urge that users of our materials conduct tests to determine suitability for their specific end uses.
Potters Europe (EGM Division) and Potters Hollow Spheres are trading names of Potters Ballotini Limited and affiliated companies
Q-Cel®, Sphericel®, Spheriglass®, Spheriwhite®, Glassfill®, Medispheres® and Luxsil® are registered trademarks of Potters Industries LLC.
Ref: 3-03-053-1-05