Tupperware Wonder Mat vs Silicone Grip Mat: which is safer?

Where these two actually differ

• We flag Nonstick coating degradation and leaching, Heat-induced coating failure and flaking and Unverified nonstick formulation safety on the Pyrex and not on the Silikomart.
• We flag Siloxane leaching (low-molecular-weight oligomers), Microparticle shedding from grip surface and Mold or bacterial growth in surface texture on the Silikomart and not on the Pyrex.
• The Pyrex is Silicone baking mat, unspecified nonstick coating where the Silikomart is silicone rubber grip mat, non-coated, which is most of the difference in these two grades.
• The gap is 65 points, wide enough that this is not a close call, and the Silikomart is the one to buy.
• We are less certain about the Pyrex grade, at 42% confidence against 82%, because it discloses less.