Table 4 Example of product-level BOM data for the tablet category, illustrating how data are presented in the Product Bill of Materials workbook.
From: Disassembly-based bill of materials data for consumer electronic products
Material categories | This study | Literature12 | Average mass % | ||||
|---|---|---|---|---|---|---|---|
Samsung (2011) | Samsung (2014) | Apple iPad (2009) | |||||
Mass (g) | Mass % | Mass (g) | Mass % | Mass (g) | Mass % | ||
Aluminum | 45.0 | 8.0 | — | — | 137 | 20.0 | 9.3 |
Copper | 3.9 | 0.7 | 2.2 | 0.45 | 1.1 | 0.16 | 0.4 |
Steel | 28.1 | 5.0 | 26.4 | 5.4 | 12.5 | 1.8 | 4.1 |
Plastic | 127 | 22.7 | 150 | 30.5 | 36.4 | 5.3 | 19.5 |
Li-ion battery | 135 | 24.1 | 125 | 25.4 | 129 | 18.8 | 22.8 |
PCB | 54.4 | 9.7 | 35.9 | 7.3 | 20.1 | 2.9 | 6.6 |
Flat panel glass | 55.0 | 9.8 | 60.0 | 12.2 | 154 | 22.5 | 14.8 |
CRT glass | |||||||
Other glass | 110 | 19.6 | 90.0 | 18.3 | 188 | 27.4 | 21.8 |
Other metals | — | — | — | — | — | — | — |
Others | 1.5 | 0.27 | 2.6 | 0.53 | 7.5 | 1.1 | 0.6 |
Total mass (g) | 560 | 492 | 686 | ||||
