Using plastic washers inside mash tun or boil kettle

[onemanorthree]

I built a Stainless steal mash tun and boil kettle a while back.  There were some minor leaking at first
due to washer issues with the ball valve.  I now use plastic washers and silicone rings, which work perfectly.
My only concern is that these are on both he inside and out.  Should I be concerned about them
being non-food safe or about them 'leaking' chemicals into the worth?

I'm pretty sure the silicone ring is ok as it came with a fitting for brewing, but I'm worried about the plastic (not overly tbh).
Are there alternatives? Are there brewing safe plastic washers or ring I can buy?

TIA

[hopapotamus]

https://www.thehomebrewcompany.ie/12-inch-npt-flat-gasket-p-2972.html
not sure if these are what you are looking for , i just ordered some for my cooler mash tun , but probaly safer than plastic washers , and worth trying for a euro

[Leann ull]

Those translucent washers you have are LDPE and you have an 80 percent chance they are food contact compliant so you are fine.

[LordEoin]

I make my own washers and gaskets from food grade silicone sheet that I re-purposed from a microwave vegetable steamer.
silicone baking trays are great too

[robotmonkey]

I make my own washers and gaskets from food grade silicone sheet that I re-purposed from a microwave vegetable steamer.
silicone baking trays are great too

Good thinking MacGyver!

[onemanorthree]

Thanks for all great replies.

I'll use them for my next brews and add those to the basket when I'm next shopping in HBC

[DEMPSEY]

You can get cooking silicone baking sheets in IKEA

[onemanorthree]

I'm pretty into making my own kit but I draw the line at washers/