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Comment by m_eiman | Hacker News Reader

There's a big difference in the amount of leakage from the plastics when it's cold vs when it's heated - so a good step is to put whatever you're heating on a plate before you put it in the microwave (or oven, or…), rather than heating it in the plastic it came in.

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Also, avoid using dishwasher and dryer. But some types of plastic cookware is just a pain to clean up. The only solution is avoid buying any plastic cookware or food container completely.

Unheated food-grade plastic is generally okay, but when exposed to heat or UV light, you have a big problem. This paper is worth reading [0], according to their experiment, almost all commercially available plastic products—independent of the type of resin, product, or retail source—leached chemicals after being exposed to UV lights or heat.

[0] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3222987/

Isn't that common sense anyway? Especially the packaging it came with?

Lots of plastic containers for left over food claims to be microwave friendly.

There are several pre-made food products on the market with plastic containers that instructs you to cook them in microwave with the plastic packaging still on. One product I tried recently even had a little tab on the plastic wrapper that would start whistling when the food was done. I think I tried it that one time. I don't usually buy things like that.

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