MATERIAL DECLARATION Material # PDB241-GTR04 Product Line Panel Controls Compliance Date Since Inception RoHS Compliant Yes No. 1 2 3 Construction Element(subpart) Shaft Bushing Prop MSL Homogeneous Material Aluminum Brass Steel Plating 4 Element Headquarters Riverside CA Bakelite N/A Material weight [g] Material Mass% of total unit wt. 9.311333 Aluminum 7429-90-5 Average mass [%] 92.47 Copper Tin 7440-50-8 7440-31-5 5.9 0.82 0.594105 0.08257 Bismuth Iron 7440-69-9 7439-89-6 0.65 0.16 0.065452 0.01611 Copper Zinc 7440-50-8 7440-66-6 72 23.7 34.5574 11.37514 Iron Tin Bismuth 7439-89-6 7440-31-5 7440-69-9 1.5 0.9 1.9 0.719946 0.431967 0.911931 Iron Aluminum 7439-89-6 7429-90-5 73 24 5.899424 1.939537 Phosphorous Sulfur 7723-14-0 7704-34-9 0.04 0.4 0.003233 0.03233 Silicon Manganese 7440-21-3 7439-96-5 1.92 0.52 0.155163 0.042023 _ Carbon Tin 7440-44-0 7440-31-5 0.12 100 0.009698 _ 0.78 Silica Fused Epoxy Cresol Novolac Phenol resin 60676-86-0 39690-82-2 9003-35-4 37.12 11.12 3.61 1.656536 0.496247 0.161102 Antimony Trioxide Brominated epoxy resin 1309-64-4 40039-93-8 0.02 48.13 0.000893 2.147874 1.76 8.39 1.4125 Homogeneous CASRN Material\Substances If applicable www.bourns.com CASRN: CAS Registry Number® is a Registered Trademark of the American Chemical Society Subpart mass of total wt. [%] 10.053 47.996 8.081 4.463 page 1 of 2 MATERIAL DECLARATION 5 6 7 Resistive Ink Termination Ink Terminal x 3 8 Rotor 9 Brush 10 Case Ink 0.04 Carbon 7440-44-0 100 0.228854 0.24 Ink 0.01 Silver 7440-22-4 100 0.057213 0.051 Steel 0.53 _ Plating Polycarbonate 0.833 Phosphor bronze Steel 3.531 Plating 11 Spring Phosphor bronze Total weight This Document was updated on: 0.18 _ 0.0129 Iron 7439-89-6 99.38 3.0113514 Copper Tin Tin 7440-50-8 7440-31-5 7440-31-5 0.38 0.24 100 0.011523 0.007278 _ Polycarbonate Copper 25037-45-0 7440-50-8 100 94.16 4.765882 0.9697 4.766 Tin Phosphorous 7440-31-5 7723-14-0 5.73 0.11 0.05901 0.001133 1.03 Iron Aluminum 7439-89-6 7429-90-5 74 24 14.95954 4.848499 Phosphorous Sulfur 7723-14-0 7704-34-9 0.09 0.52 0.018182 0.1056051 Silicon Zinc Copper 7740-21-3 7440-66-6 7440-50-8 1.39 100 94.16 0.282809 _ Tin Phosphorous 7440-31-5 7723-14-0 5.75 0.09 0.004944 0.0000664 3.03 20.215 0.069695 0.075 17.4794 April 27, 2010 Important remarks: 1. It is the responsibility of the user to verify they are accessing the latest version. Headquarters Riverside CA www.bourns.com page 2 of 2