Unfortunately, I don't understand this English term - but I can simply say that I was able to use it without any problems. The first bulletproof glass saved me from a total iPhone failure. I would never use a mobile phone again without this PanzerGlass. Hopefully, this answer will help.

In the meantime, Quadlock itself offers tempered glass: QUAD LOCK Tempered Glass Screen Protector for iPhone 11 Pro/X/XS .