How does the wax ring primarily achieve its tight, impermeable seal?

Answer

Compression from the toilet's weight forces the soft material to mold perfectly to irregular surfaces.

The success of the wax seal relies on the weight of the fixture compressing the pliable material, allowing it to conform exactly to the contours of both the porcelain base and the drain flange.

How does the wax ring primarily achieve its tight, impermeable seal?

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Origin of the wax toilet seal......Still the best????? - YouTube

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