Even if you only print PLA I highly recommend giving G10, otherwise known as FR4 or Garolite a go. I've been testing this cheap print surface on a range of materials and it's quite impressive indeed!
Where to find G10 (regularly updated, send through your suggestions for reputable suppliers!).
McMaster - https://www.mcmaster.com/garolite/multipurpose-flame-retardant-garolite-g-10-fr4-sheets-and-bars/
Amazon - https://amzn.to/3lFChFn
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