product information no: pis 071 page 1 of 1 issue no 5 date : 03 april 2002 approved by: conductive brushes code k30.. vermason fec code description code K3001 soft, round, 6mm dia 3547863 k3003 hard, flat, 12mm wide 265070 k3005 hard, flat, 25mm wide 518475 k3007 hard, flat, 50mm wide 3547851 k3040 hard, block, 35 x 75mm 168660 k3050 soft, flat, 100mm wide 265081 k3051 soft, flat, 150mm wide 3547875 introduction: conventional brushes with synthetic bristles can generate high charges in use. they are therefore unsuitable for cleaning esd sensitive assemblies. nonetheless it is necessary to remove solder flux and other dirt particularly in smd assembly where there are high densities of components. a range of conductive brushes allows thorough cleaning without the risk of generating static charges. description: the brushes consist of a conductive plastic handle and thunderon conductive fibres, mixed with animal hair if stiffness is desired. resistance from the tip of the brush to the handle is less than 5 x 10 6 ohm. brushes should be used by operators who are earthed so as to dissipate any triboelectrical charges. hard brushes are for scrubbing whilst soft ones are for brushing of delicate items such as optics and diskettes. the brushes may also be used by an earthed operator to remove a surface charge on a non- conductor by slowly moving the brush across the surface about 2 - 5 mm above it. for further information, please contact vermason ltd, 1 avenue one, letchworth, hertfordshire sg6 2hb. uk tel: +44(0)1462 672005 fax: +44(0)1462 670440 e-mail : sales@vermason.co.uk www.vermason.co.uk
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