Since the paper is non-porous there should not be any issues with mold. However, it’s always recommended to seal the finished artwork with a UV varnish such as Krylon’s Crytsal Clear or Lascaux. This will provide extra protection.
In regards to heat, YUPO is a fairly stable paper. It has to be pretty hot to cause any distortion.
Heat Specifications: Temperatures greater than 176F will result in shrinkage / distortion.
Temperatures greater than 320F will result in melting.
In regards to heat, YUPO is a fairly stable paper. It has to be pretty hot to cause any distortion.
Heat Specifications:
Temperatures greater than 176F will result in shrinkage / distortion.
Temperatures greater than 320F will result in melting.
Recommended temperature = -40 - 175F