gap pad ? vo ultra soft-b is recommended for applications that require a minimum amount of pressure on components.the viscoelastic nature of the material also gives excellent low-stress vibration dampening and shock absorbing characteristics. gap pad ? vo ultra soft-b is an electrically isolating material, which allows its use in applications requiring isolation between heat sinks and high-voltage, bare-leaded devices. note: to build a part number, visit our website at www.bergquistcompany.com. gap pad ? vo ultra soft-b typical applications include ? various ic packages ? telecommunications ? between any heat-generating semiconductor and a heat sink ? automotive ? led lighting packages ? computers and peripherals configurations available ? sheet form and die-cut parts pds_gp_vous b_june 2013 features and benefits ? thermal conductivity: 1.0 w/m-k ? highly conformable, low hardness ? gel-like modulus ? decreased strain ? puncture, shear and tear resistant ? electrically isolating product description ultra conformable,thermally conductive material for filling air gaps june 2013 pr oper ty imperial va lue metric va lue test method color black/blac k black/blac k visual reinforcement ca rrier fiber glas s fiber glas s ? thickness (inch) / (mm) 0.020 to 0.125 0.508 to 3.175 astm d374 inherent surface ta ck (1 sided ) 1 1 ? density (bulk rub ber) (g/cc) 1.6 1.6 astm d792 heat capacity (j/g-k) 1.0 1.0 astm e1269 hardness (bulkr ub b er) (shore 00) (1) 5 5 astm d2240 yo ung's modulus (psi) / (kpa ) (2) 8 55 astm d575 continuous use t emp (f) / (c) -76 to 392 -60 to 200 ? electric al dielectr ic breakdo wn v oltage (v ac) 6000 6000 astm d149 dielectr ic constant (1 mhz) 5.5 5.5 astm d150 v olume resistivity (ohm-meter) 10 11 10 11 astm d257 flame rating v- 0 v- 0 u. l. 94 thermal therm al conductivity (w/m-k ) 1.0 1.0 astm d5470 thermal performance vs. strain deflection (% strain) 10 20 30 therm al impedance (c-in 2 /w) 0.040" (3) 1.97 1.87 1.68 therm al impedance (c-cm 2 /w) 1.016mm (3) 12.7 12.1 10.8 1) thir ty second d ela y value shore 00 hardness scale . 2)y o ung?s modulus, calculated u sing 0.01 in/min.s tep ra te of stra in with a sample siz e of 0.79 inch 2 . 3) the a stm d 5470 t est f ixture was u sed.t he recorded value includes interfacial ther- mal resistance . these values a re prov ided f or ref erence only . actual a pplication perfor mance is directly related to t he sur- face roughness ,f latness and p ressure applied . typical properties of gap pad vo ul tra soft-b 12 35 46 150 100 50 0 thickness vs. thermal resistance gap pad v o ultra soft-b thermal resistance (c-in 2 /w) resultant thickness (mils)
for the most direct access to local sales and technical support visit: www.bergquistcompany.com americas +1.800.347.4572 europe +31.35.5380684 asia +852.2690.9296 tds gap pad ? vo ultra soft-b, june 2013 disclaimer note: the information provided in this technical data sheet (tds) including the recommendations for use and application of the product are based on our knowledge and experience of the product as at the date of this tds. the product can have a variety of different applications as well as differing application and working conditions in your environment that are beyond our control. henkel is, therefore, not liable for the suitability of our product for the production processes and conditions in respect of which you use them, as well as the intended applications and results. we strongly recommend that you carry out your own prior trials to confrm such suitability of our product. any liability in respect of the information in the technical data sheet or any other written or oral recommendation(s) regarding the concerned product is excluded, except if otherwise explicitly agreed and except in relation to death or personal injury caused by our negligence and any liability under any applicable mandatory product liability law. i n case products are delivered by henkel belgium nv, henkel electronic materials nv, henkel nederland bv, henkel technologies france sas and henkel france sa please additionally note the following: in case henkel would be nevertheless held liable, on whatever legal ground, henkels liability will in no event exceed the amount of the concerned delivery. in case products are delivered by henkel colombiana, s.a.s. the following disclaimer is applicable: the information provided in this technical data sheet (tds) including the recommendations for use and application of the product are based on our knowledge and experience of the product as at the date of this tds. henkel is, therefore, not liable for the suitability of our product for the production processes and conditions in respect of which you use them, as well as the intended applications and results. we strongly recommend that you carry out your own prior trials to confrm such suitability of our product. any liability in respect of the information in the technical data sheet or any other written or oral recommendation(s) regarding the concerned product is excluded, except if otherwise explicitly agreed and except in relation to death or personal injury caused by our negligence and any liability under any applicable mandatory product liability law. in case products are delivered by henkel corporation, resin technology group, inc., or henkel canada corporation, the following disclaimer is applicable: the data contained herein are furnished for information only and are believed to be reliable. we cannot assume responsibility for the results obtained by others over whose methods we have no control. it is the users responsibility to determine suitability for the users purpose of any production methods mentioned herein and to adopt such precautions as may be advisable for the protection of property and of persons against any hazards that may be involved in the handling and use thereof. in light of the foregoing, henkel corporation specifcally disclaims all warranties expressed or implied, including warranties of m e r c h a n t a b i l i t y o r f t n e s s f o r a p a r t i c u l a r p u r p o s e , a r i s i n g f r o m s a l e o r u s e of henkel corporations products. henkel corporation specifcally disclaims any liability for consequential or incidental damages of any kind, including lost profts. the discussion herein of various processes or compositions is not to be interpreted as representation that they are free from domination of patents owned by others or as a license under any henkel corporation patents that may cover such processes or compositions. we recommend that each prospective user test his proposed application before repetitive use, using this data as a guide. this product may be covered by one or more united states or foreign patents or patent applications. trademark usage except as otherwise noted, all trademarks in this document are trademarks of henkel corporation in the u.s. and elsewhere. ? denotes a trademark registered in the u.s. patent and trademark offce reference 0.1
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