Okay, I’m not trying to pick on anyone here, just trying to illustrate a point, from the webpage you listed:
“Coating being applied: water-based, solvent based; not compatible with lacquer coatings or surfaces”
The key bit being that last - “not compatible with lacquer coatings or surfaces” So, some flutes may be damaged by this tape.
The problem with some of the blanket statements being made with regards to tape and glue, is that while some glues and tapes may be harmless to some flutes and their finishes, other tapes and glues can problems when applied to some flutes. So, simply saying that using tape and/or white glue are good options, is misleading and potentially can lead to someone making a costly mistake - I’ve seen the results dozens of times.
Also, advising that a particular maker uses white glue or whatever, is fine, but one has to realize, that maker x, y, or z may be highly skilled and use to specialized tools, which many people reading what is written here do not, which could lead to serious problems. Yeah, getting the glue into the hole may be easy enough, but how about shaping it without the benefit of a proper scraping or filing tool? What if the glue needs to be removed completely? Again, without the proper skills and tools, particularly if the wrong glue is applied, real problems and damage can occur.
Another thing that is not being taken into account is preparation of the tone hole before applying something like glue, both for the glue to adhere, and to avoid serious chipping/tearing out of the wood surrounding tone hole (the exterior surface of the flute), when removing glue or other similar substances that adhere strongly and then turn hard.
It all seems simple enough (to the inexperienced), and sometimes it is, however when it isn’t, you usually don’t realize until it’s too late, and you’ve already caused damage.
I’d suggest sticking with wax, to start.
Loren