Quoted from MagicJumpi:
To avoid any misunderstanding...
PDI is coated 3 times (diving process), then burnt into the glass (merging process).
As far as I'm informed Invisiglass is coated using a sputtering process.
This might be the main reason why the surface properties from both (PDI and Invisiglass)
Maybe Jack can chime in and clarify.
Thanks for clarifying, Roman. I really appreciate you making that video comparing PDI glass to Invisiglass side-by-side. It would be good to see Jack chime in and clarify about his coating process, because the product details and low-resolution comparison photos on his website aren't very informative, IMHO. I strongly believe that transparency in product comparisons is always good for potential buyers.