YSK: many water bottles come with silicone gaskets that must be removed and washed to prevent mold and mildew buildup. - eviltoast

Dishwashers won’t clean these gaskets if they’re washed while installed. Oh, and those silicone straws can come out of the dishwasher nasty too.

  • AHorseWithNoNeigh@lemmy.dbzer0.com
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    1 month ago

    A couple of things come to mind here:

    I own a metal one which I assume was dishwasher safe but somehow water got trapped inside the ‘extra’ parts of it which could be unsanitary due to the water eventually stagnating.

    Another is that the heat from the dishwasher can warp and silicone or plastic parts which will render them unusable eventually.

    Not saying you’re wrong but this is what I consider from the warning they provide.

    • Dasus@lemmy.world
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      1 month ago

      General purpose silicones like silicone sealants and gaskets tend to have a high-temperature limit of around 200 C to 250 C and also lower temperatures of -50 C to -75 C.

      So your dishwasher isn’t going to warp silicone, but lots of plastics, yeah.