School
Disposable Mechanical Pencil
Individual unit
16
g
Total plastic weight
Designed for a single 'fill' of lead, leading to the entire mechanical assembly being discarded.
0%
Recycle probability
500
Years to decompose
Material breakdown
3 components- PS barrel10g
- POM lead mechanism4g
- TPE eraser cap2g
Production footprint
Per unit48L
Water to produce
0.2kWh
Electricity to produce
Estimated upstream manufacturing footprint per unit, based on resin LCA averages.
Lower-impact alternatives
- Metal mechanical pencilRefillable for decades; only the lead and erasers are consumed.5gplastic
- Cedar wood pencilBiodegradable wood casing with a graphite core.0gplastic
- Recycled ABS pencilMade from recycled electronic waste plastics.14gplastic
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