MATERIAL DECLARATION SHEET Material Number ES-L Product Line Shaftless Contacting Encoder Compliance Date September 30, 2005 RoHS Compliant Yes No. Construction Element (subpart) MSL Homogeneous Material FR-4 N/A Material weight [g] 2.166 if applicable Materials Mass % Material Mass % of total unit wt. Phenol, 4,4'-(1methylethylidene)bis(2,6dibromo-, polymer with (chloromethyl) oxirane and 4,4'-(1-methylethylidene) bis(phenol) 26265-08-7 33 13.146 Copper 7440-50-8 Homogeneous Material/ Substances CASRN 39.836 18 7.171 49 19.519 90 1.655 10 0.184 25068-38-6 40 0.081 34590-94-8 10 0.02 7727-43-7 35 0.071 71868-10-5 10 0.02 15764-24-6 5 0.01 13770-89-3 97 0.249 7440-57-5 3 0.008 Glass Copper Plating 1 0.1 PCB Soldermask ENIG Headquarters Riverside CA 0.011 0.014 Copper Proprietary Ingredients Bisphenol A, epichlorohydrin polymer (2-Methoxymethylethoxy) propanol Barium sulfate 2-Methyl-1-(4methylthiophenyl)-2morpholinopropan-1-one Dipropylene glycol ethyl ether Nickel bis(sulfamidate) Gold Subpart mass of total wt. (%) 7440-50-8 www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society 1.839 0.202 0.258 page 1 of 3 MATERIAL DECLARATION SHEET 2 3 4 5 Element Lube Terminal X 3 Solder Rotor Lube Phosphor Bronze 7 Contact Spring Housing Headquarters Riverside CA 0.0822 68130-53-0 54.4 0.082 7620-77-1 5.7 0.009 52006-45-8 33.7 0.051 Polyisobutylene 9003-27-4 6.2 0.009 Copper 7440-50-8 94.8 1.433 Tin 7440-31-5 5 0.076 Phosphorus 7723-14-0 0.2 0.003 7440-31-5 100 0.092 Plating 0.005 Tin Tin 7440-31-5 96.5 0.319 Solder 0.018 Silver 7440-22-4 3 0.009 Copper 7440-50-8 0.5 0.002 Polyoxymethylene Homopolymer 30846-29-8 94 10.377 Stabilizer 2 0.221 Pigment 3 0.331 POM Wire 6 0.00815 Decanoic acid, mixed esters with heptanoic acid, octanoic acid Lithium 12-hydroxystearate Isohexadecylisooctadecanoate Spacer Strip 0.6002 0.01548 0.00756 Laminated Strip 0.05 Nylon 2.283 Carbon Black 1333-86-4 1 0.11 Copper 7440-50-8 55 0.157 Nickel 7440-02-0 18 0.051 Zinc 7440-66-6 27 0.077 Nickel 7440-02-0 18 0.025 Copper 7440-50-8 55 0.077 Zinc 7440-66-6 27 0.038 Copper 7440-50-8 70 0.644 Zinc 7440-66-6 30 0.276 Nylon 32131-17-2 85 35.69 15 6.298 Glass www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society 0.149 1.512 0.092 0.331 11.039 0.285 0.139 0.919 41.988 page 2 of 3 MATERIAL DECLARATION SHEET 8 Detent Spring Stainless Steel 0.0655 9 Front Bearing and Detent Surfaces Lube Lube 0.00815 10 Marking Ink Ink 0.003 Total weight 5.437 Iron 7439-89-6 70.85 0.854 Carbon 7440-44-0 0.15 0.002 Chromium 7740-47-3 17 0.205 Manganese 7439-96-5 2 0.024 Nickel 7440-02-0 9 0.108 Silicon 7440-21-3 1 0.12 Siloxanes and Silicones, Me 3,3,3-trifluoropropyl 63148-56-1 84 0.126 15 0.022 Polyurea for lubricants Proprietary Ingredients 1 0.001 Epoxy Resin 100 0.055 1.205 0.149 0.055 This Document was updated on: January 24, 2007 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. Headquarters Riverside CA www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society page 3 of 3