I accidentally barbecued some plastic today, making quite a mess. It's a cushion for a lawn chair, so I imagine probably some sort of plastic or polyurethane.

Rather than cleaning melted plastic manually, I'm wondering if its a good idea to just burn it off? The BBQ is a Kamado oven, so it can reach about $\pu{350 ^\circ C}$ or $\pu{700 ^\circ F}$ for a sustained period of time.

It's a well ventilated area, so smoke isn't a concern. I am somewhat concerned that it may not burn completely and contaminate future cooks.

Can anybody offer some insights on if $\pu{350 ^\circ C}$ is hot enough or if this is a good idea at all?

  • 6
    $\begingroup$ Am I understanding correctly that you barbecued a lawn chair cushion? $\endgroup$
    – Todd Minehardt
    May 11 at 1:28
  • 2
    $\begingroup$ Well, the tags are appropriate. If it was me, I would replace the affected part: even scraping, sanding and heating it for a few hours would not erase the memory of what happened and who last sat on the BBQ’ed cushion. $\endgroup$
    – Ed V
    May 11 at 2:19
  • 5
    $\begingroup$ @EdV is right. As an experienced grillsman living in Texas, I can assure you that you don't want to season your rig improperly, and that precludes using plastic and law furniture components for that task. Nor should you diminish the BBQ experience for your guests by offering charred lawn furniture on which to sit: that's impolite. You wouldn't skip on the marinade, or the sides and the ice-cold beer: do the right thing and respect the entire experience. $\endgroup$
    – Todd Minehardt
    May 11 at 2:41
  • 1
    $\begingroup$ Heh, I did in fact bbq a lawn chair cushion. What can I say, always check the inside before you light a bbq. $\endgroup$ May 11 at 12:42
  • 1
    $\begingroup$ @user1543574 Sounds like you might need to contact Kamodo Joe support folks. Good luck and keep on grillin'! $\endgroup$
    – Todd Minehardt
    May 11 at 14:27

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