(Game vers. 0.17.66, mod vers. 0.1.4)
There seems to be an issue with liquid passthrough for the plastic recipe as well as all recipes for solid fuels.
The first chemical plant receives its fill, but the rest are starved of resources.
ETA: Upon further inspection, this problem also affects the Lubricant recipe.
Blueprint (infinity mode):
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