headquarters riverside ca www.bourns.com page 1 of 3 casrn: cas registry number ? is a registered trademark of the american chemical society material declaration sheet material number 3681s - l product line precision potentiometer compliance date may 3, 2006 rohs compliant yes msl n/a no. construction element (subpart) homogeneous material material weight [g] homogeneous material/ substances casrn if applicable materials mass % material mass % of total unit wt. subpart mass of total wt. (%) aluminum oxide 1344-28-1 95 26.732 silicon oxide 7631-86-9 2 0.563 magnesium oxide 1309-48-4 2 0.563 1 substrate alumina 2.52 calcium oxide 1305-78-8 1 0.281 28.139 silver 7440-22-4 87 0.029 palladium 7440-05-3 5.5 0.002 lead borosilicate 65997-17-3 6.5 0.002 lead monoxide 1317-36-8 0.5 0.0002 2 termination ink ink 0.003 platinum 7440-06-4 0.5 0.0002 0.033 ruthenium dioxide 12036-10-1 35 0.012 calcium silicate borate glass 10101-39-0 46 0.015 silver 7440-22-4 7 0.002 titanium dioxide 13463-67-7 5 0.002 manganese dioxide 1313-13-9 6 0.002 3 resistive ink x2 ink 0.0030 copper oxide 1317-39-1 1 0.0003 0.033 polyphenylene ether 25134-01-4 99 15.200 4 cover snap-in x2 polyphenylene ether 2.75 carbon black 1333-86-4 1 0.154 15.354
headquarters riverside ca www.bourns.com page 2 of 3 casrn: cas registry number ? is a registered trademark of the american chemical society material declaration sheet polyoxymethylene homopolymer 7440-44-0 94 6.298 stabilizer 2 0.134 pigment 2 0.134 5 button x2 acetal resin 0.6 carbon black 1333-86-4 2 0.134 6.700 polyphenylene ether 25134-01-4 99 30.401 6 housing push button polyphenylene ether 1.75 carbon black 1333-86-4 1 0.307 30.708 glass 65997-17-3 30 0.167 poly(butylene terephthalate) 30965-26-5 65 0.363 7 spacer pbt 0.005 antimony oxide 1309-64-4 5 0.028 0.558 iron 7439-89-6 94 2.097 carbon 7440-44-0 1 0.022 manganese 7439-96-5 1 0.022 silicon 7440-21-3 1.2 0.027 chromium 7440-47-3 1.8 0.040 metal 0.1998 copper 7440-50-8 1 0.022 2.231 8 torsion spring plating 0.002 zinc 7440-66-6 100 0.0223 0.022 copper 7440-50-8 98.1 0.361 silicon 7440-21-3 0.2 0.001 beryllium 7440-41-7 1.5 0.006 9 detent spring beryllium copper 0.033 aluminum 7429-90-5 0.2 0.001 0.368 glass 65997-17-3 30 3.015 poly(butylene terephthalate) 30965-26-5 65 6.532 10 wheel counter pbt 0.9 antimony oxide 1309-64-4 5 0.502 10.050 copper 7440-50-8 70 3.752 brass 0.48 zinc 7440-66-6 30 1.608 5.360 11 terminal plated x3 plating 0.005 tin 7440-31-5 100 0.056 0.056
headquarters riverside ca www.bourns.com page 3 of 3 casrn: cas registry number ? is a registered trademark of the american chemical society material declaration sheet nickel 7440-02-0 18 0.015 copper 7440-50-8 55 0.0464 spacer strip 0.00756 zinc 7440-66-6 27 0.023 0.084 copper 7440-50-8 70 0.023 strip laminated 0.003 zinc 7440-66-6 30 0.010 0.033 nickel 7440-02-0 18 0.0318 copper 7440-50-8 65 0.1150 12 contact spring wire 0.01584 zinc 7440-66-6 17 0.030 0.177 siloxanes and silicones, di-me, di-ph 68083-14-7 68.9 0.063 lithium stearate 4485-12-5 25.3 0.023 silane, dichlorodimethyl- reaction products with silica 68611-44-9 4.7 0.004 13 lube element grease 0.0082 diphenylamine 122-39-4 0.89 0.001 0.092 total weight 8.955 this document was updated on: jun 11, 2007 important remarks: 1. it is the responsibility of the user to verify they are accessing the latest version. 2. rohs exemptions used: lead in glass (exemption 5) & lead in copper alloys (exemption 6)
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