Sure. Here's Google's AI overview. But aside from that, I've been working with silicone products for manufacturing for nearly ten years. I'm only saying that, while process may use petrochemicals, platinum cure silicone itself, does not contain petroleum.
Unfortunately that doesn't really change the fact that hydrocarbons are an essential part of the chemistry of producing silicone and its precursor chemicals and would be impossible without it.
But It's just a tool. And a tool doesn't become a part of a final product. If a gas stove is used to make an omelet, the omelet is not considered a petroleum product.
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@gaudygryphon.bsky.social
Plankton = Woodon = hard on. It all fits.