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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 Nominal Diameter inch microns

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

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

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

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 704 516 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

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