Automotive
Michelin Plastic Valve Stem Caps
4-pack small caps
3
g
Total plastic weight
These tiny caps are easily lost on roads, becoming almost immediate environmental microplastics.
0%
Recycle probability
450
Years to decompose

Material breakdown
1 components- PP (Polypropylene)3g
Production footprint
Per unit9L
Water to produce
0.04kWh
Electricity to produce
Estimated upstream manufacturing footprint per unit, based on resin LCA averages.
Lower-impact alternatives
- Stainless steel capsHeavier and less likely to vibrated loose.0gplastic
- Aluminum valve capsAvailable in recycled metals and very durable.0gplastic
- Brass valve capsTraditional metal caps that don't crack or degrade.0gplastic
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