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3M Glass Bubbles K Series, S Series and iM Series

3 Introduction 3m glass bubbles are engineered hollow Glass microspheres that are alternatives to conventional fillers and additives such as silicas, calcium carbonate, talc, clay, etc., for many demanding applications. These low-density particles are used in a wide range of industries to reduce part weight, lower costs and enhance product unique spherical shape of 3m glass bubbles offers a number of important benefits, including: higher filler loading, lower viscosity/improved flow and reduced shrinkage and warpage. It also helps the 3m glass bubbles blend readily into compounds and makes them adaptable to a variety of production processes including spraying, casting and chemically stable soda-lime-borosilicate Glass composition of 3m glass bubbles provides excellent water resistance to create more stable emulsions. They are also non-combustible and non-porous, so they do not absorb resin. And, their low alkalinity gives 3m glass bubbles compatibility with most resins, stable viscosity and long shelf life.

3 Introduction 3M™ Glass Bubbles are engineered hollow glass microspheres that are alternatives to conventional fillers and additives such as silicas, calcium carbonate, talc, clay, etc., for many demanding

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Transcription of 3M Glass Bubbles K Series, S Series and iM Series

1 3 Introduction 3m glass bubbles are engineered hollow Glass microspheres that are alternatives to conventional fillers and additives such as silicas, calcium carbonate, talc, clay, etc., for many demanding applications. These low-density particles are used in a wide range of industries to reduce part weight, lower costs and enhance product unique spherical shape of 3m glass bubbles offers a number of important benefits, including: higher filler loading, lower viscosity/improved flow and reduced shrinkage and warpage. It also helps the 3m glass bubbles blend readily into compounds and makes them adaptable to a variety of production processes including spraying, casting and chemically stable soda-lime-borosilicate Glass composition of 3m glass bubbles provides excellent water resistance to create more stable emulsions. They are also non-combustible and non-porous, so they do not absorb resin. And, their low alkalinity gives 3m glass bubbles compatibility with most resins, stable viscosity and long shelf life.

2 3m glass bubbles K Series , S Series and iM Series are specially formulated for a high strength-to-weight ratio. This allows greater survivability under many demanding processing conditions, such as injection molding. They also produce stable voids, which results in low thermal conductivity and a low dielectric constant. 3m glass bubbles are available in a variety of sizes and grades to help you meet your product and processing Glass Bubbles K Series , S Series and iM SeriesProduct InformationProductTest Pressure (psi)Target Fractional SurvivalMinimum Fractional SurvivalK SeriesK125090%80%K1530090%80%K2050090%80 %K2575090%80%K373,00090%80%K466,00090%80 %S SeriesS1530090%80%S2240090%80%S322,00090 %80%S353,00090%80%S384,00090%80%S38HS5,5 0090%80%S6010,00090%80%S60HS18,00090%90% iM SeriesiM16K16,00090%90%iM30K28,00090%90% Isostatic Crush StrengthTrue Density (g/cc)ProductTypicalMinimumMaximumK DensityTypical Properties Not for specification purposesTypical Properties Chemical Resistance In general, the chemical properties of 3m glass bubbles resemble those of a soda-lime-borosilicate ConductivityProductCalculated Thermal Conductivity (W m-1 K-1) at 70 F (21 C)K 3S increases with temperature and product density.

3 The thermal conductivity of a composite will depend on the matrix material and volume loading of 3M Glass StabilityAppreciable changes in bubble properties may occur above 1112 F (600 C) depending on temperature and duration of (% by bulk volume)ProductTypicalMinimumK SeriesK196%90%K1596%90%K2096%90%K2596%90 %K3794%90%K4692%90%S SeriesS1596%90%S2296%90%S3294%90%S3596%9 0%S3894%90%S38HS96%90%S6092%90%S60HS92%9 0%iM SeriesiM16K96%90%iM30K92%90%Packing Factor (Ratio of bulk density to true particle density)Averages about 60%.Oil g oil/cc of 3m glass bubbles , per ASTM Content Maximum of percent by Maximum of milliequivalents per grampHBecause 3m glass bubbles are a dry powder, pH is not defined. The pH effect will be determined by the alkalinity as indicated above. When 3m glass bubbles are mixed with deionized water at 5% volume loading, the resulting pH of the slurry is typically to , as measured by a pH Constant K Series : to @ 100 MHz, based on theoretical calculations.

4 S Series : to @ 100 MHz, based on theoretical calculations. iM Series : to @ 100 MHz, based on theoretical calculationsThe dielectric constant of a composite will depend on the matrix material and volume loading of 3M Glass SizeParticle Size (microns, by volume) 3M QCM Top Size10th%50th%90th%K SeriesK13065115120K153060105115K20306090 105K25255590105K3720458085K4615407080S SeriesS1525559095S2220356575S3220407080S 3520406580S3815407585S38HS19447085S60153 05565S60HS12294860iM Series Glass Bubbles K, S and iM SeriesMinimum storage conditions should be unopened cartons in an unheated high humidity conditions with an ambient temperature cycling over a wide range, moisture can be drawn into the bag as the temperature drops and the air contracts. The result may be moisture condensation within the bag. Extended exposure to these conditions may result in caking of the 3m glass bubbles to various degrees. To minimize the potential for caking and prolong the storage life, the following suggestions are made:1.

5 Carefully re-tie open bags after If the polyethylene bag is punctured during shipping or handling, use this bag as soon as possible, patch the hole, or insert the contents into an undamaged During humid summer months, store in the driest, coolest space If good storage conditions are unavailable, carry a minimum inventory, and process on a first in/first out problems that may occur while handling and processing can be minimized by the following procedures:1. For eye protection wear chemical safety goggles. For respiratory system protection wear an appropriate NIOSH/MSHA approved respirator. (For additional information about personal protective equipment, refer to Material Safety Data Sheet.)2. Use appropriate ventilation in the work Pneumatic conveyor systems have been used successfully to transport 3m glass bubbles without dusting from shipping containers to batch mixing equipment. Static eliminators should be used to help prevent static charges.

6 Diaphragm pumps have been used to successfully convey 3m glass bubbles . Vendors should be consulted for specific Glass bubble breakage may occur if the product is improperly processed. To minimize breakage, avoid high shear processes such as high speed Cowles Dissolvers, point contact shear such as gear pumps or 3-roll mills, and processing pressures above the strength test pressure for each and Safety InformationFor product Health and Safety Information, refer to product label and Material Safety Data Sheet (MSDS) before using Size (continued)Hard Particles (3M QCM ) No hard particles ( Glass slag, flow agent, etc.) greater than number 40 (420 microns) standard sieve will Particles (3M QCM ) For K1, K15, K20 and K25 Glass Bubbles : Using a 10 gram sample on a number 80 standard sieve (177 microns), a maximum of five (5) percent by weight Glass Bubbles will be retained on the K37 and K46 Glass Bubbles : Using a 10 gram sample on number 100 standard sieve (149 microns), a maximum of one (1) percent by weight Glass Bubbles will be retained on the S15, S32, S35, S38, S38HS, S60, S60HS, iM16K and iM30K Glass Bubbles : Using a 10 gram sample on a number 140 standard sieve (105 microns), a maximum of three (3) percent by weight Glass Bubbles will be retained on the S22 Glass Bubbles .

7 Using a 10 gram sample on a number 200 standard sieve (74 microns), a maximum of five (5) percent by weight Glass Bubbles will be retained on the (3M QCM )White to the unaided (3M QCM ) 3m glass bubbles remain free flowing for at least one year from the date of shipment if stored in the original, unopened container in the minimum storage conditions of an unheated Glass Bubbles will be packaged in suitable containers to help prevent damage during normal handling and shipping. Each container will be labeled with:1. Name of manufacturer2. Type of 3M Glass bubbles3. Lot number4. Quantity in poundsStorage and Handling To help ensure ease of storage and handling while maintaining free flowing properties, 3m glass bubbles have been made from a chemically stable Glass and are packaged in a heavy-duty polyethylene bag within a cardboard Information Small Box (10 Cubic ft.) A single corrugated box with a plastic liner. All boxes are banded together and to the wooden pallet.

8 4 boxes per pallet. Each box inside diameter is 22 in. 19 in. 39 in. Pallet size is 42 in. 48 Box (50 Cubic ft.)* A single corrugated box with a plastic liner. Top enclosed with interlocking double cover banded. Bottom is normal box closure, entire box banded to wooden pallet. Each box inside diameter is 48 in. 42 in. 44 in. Overall load size is 483/4 in. 423/4 in. 50 in. including pallet. Pallet size is 42 in. 48 in. *S60 and S60HS large boxes are 38 cubic BoxLarge Box*Truckload Large Box* 44 PalletsK SeriesK140 ,240 ,660 ,400 ,920 ,040 ,860 SeriesS1550 ,660 ,940 ,100 ,720 ,920 ,920 ,400 ,400 SeriesiM16K99 lb. iM30K125 ,400 Weights*Box weights may vary due to manufacturing tolerances on each 3m glass bubbles are supported by global sales, technical and customer service resources, with fully-staffed technical service laboratories in the , Europe, Japan, Latin America and Southeast Asia.

9 Users benefit from 3M s broad technology base and continuing attention to product development, performance, safety and environmental additional technical information on 3m glass bubbles in the United States, call 3M Advanced Materials Division, 800-367-8905. For other 3M global offices, and information on additional 3M products, visit our website at: Glass Bubbles K, S and iM SeriesPlease recycle. Printed in USA. 3M 2013. All rights reserved. Issued: 3/13 9049HB 98-0212-3859-1 3M is a trademark of 3M. Used under license by 3M subsidiaries and affiliates. 3M CenterSt. Paul, MN 55144-1000 1-800-367-8905 , Limited Remedy, and Disclaimer: Many factors beyond 3M s control and uniquely within user s knowledge and control can affect the use and performance of a 3M product in a particular application. User is solely responsible for evaluating the 3M product and determining whether it is fit for a particular purpose and suitable for user s method of application.

10 Unless a different warranty is specifically stated in the applicable product literature or packaging insert, 3M warrants that each 3M product meets the applicable 3M product specification at the time 3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M s option, replacement of the 3M product or refund of the purchase price. Limitation of Liability: Except where prohibited by law, 3M will not be liable for any loss or damages arising from the 3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict Information: Technical information, recommendations, and other statements contained in this document or provided by 3M personnel are based on tests or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed.


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