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Given the absence of fossil fuels on Mars, plastic will likely be a rather and expensive product. The people of Mars will need to find substitutes. Here's one solution for polystyrene-type products.
https://www.youtube.com/watch?v=cApVVuuqLFY
Any other suggestions?
Obviously recyclable glass bottles and containers can be used for many applications. One of the disadvantages of glass - its weight - will be far less apparent on Mars, being 62% lower than on Earth.
Bamboo is a useful packaging material.
Bioplastics appear often to mixed in with traditional plastic, so not really a solution for Mars.
People have been developing ways of using CO2 as a feedstock for plastics production. This appears to be quite advanced:
https://www.bbcearth.com/news/turning-c … to-plastic
Presumably this approach could be adopted on Mars to create and oil-free plastics industry.
Let's Go to Mars...Google on: Fast Track to Mars blogspot.com
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