MATERIAL DECLARATION SHEET Material Number PDB24 Product Line Panel Control Compliance Date November 10, 2006 RoHS Compliant Yes No. 1 2 Construction Element (subpart) Bushing Housing MSL Homogeneous Material Zinc Steel N/A Material weight [g] 4.899 2.852 Plating 3 4 Shaft Wiper Headquarters Riverside CA Aluminum-Iron Copper 1.797 0. 138 Homogeneous Material/ Substances if applicable Materials Mass % Zinc 7440-66-6 89.2 Material Mass % of total unit wt. 35.798 Aluminum 1344-28-1 4.16 1.669 Magnesium 7439-95-4 0.1 0.04 Copper 7440-50-8 0.9 0.361 Iron 7439-89-6 67.83 15.848 Nickel 7740-02-0 9.99 2.335 Chromium 7740-47-3 0.1 0.234 Tin 7440-31-5 0.009 0.002 Silicon 7740-21-3 1.99 0.467 Manganese 7439-96-5 1.52 0.354 Carbon 7440-44-0 19.5 4.556 Zinc 7440-66-6 100 Iron 7439-89-6 26.79 3.944 Aluminum 7429-90-5 73.2 10.776 Copper 7440-50-8 91.29 1.032 Nickel 7440-02-0 7.96 0.09 Phosphorus 7723-14-0 0.62 0.007 CASRN www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. (%) 37.868 23.36 14.72 1.13 page 1 of 2 MATERIAL DECLARATION SHEET 5 Element Bakelite 1.03 Silica Fused 60676-86-0 37.35 3.006 Epoxy, Cresol Novolac 39690-82-2 11.24 0.921 Phenol Novolac 9003-35-4 3.71 0.304 Antimony Trioxide 1309-64-4 0.02 0.151 8.55 Brominated Epoxy Black 40039-93-8 49.43 4.049 6 Resistive Ink Ink 0.0087 Carbon 7440-44-0 100 0.071 0.071 7 Termination Ink Ink 0.0063 Silver 7440-22-4 100 0.052 0.052 Iron 7439-89-6 99.38 6.301 Steel 0.774 Copper 7440-50-8 0.38 0.024 Tin 7440-31-5 0.25 0.016 Tin 7440-31-5 100 6 Terminal X 3 Plating 7 Rotor Polycarbonate 0.702 Total weight 12.207 Polycarbonate 100 5.75 6.33 5.75 This Document was updated on: November 3, 2006 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 2 of 2