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The scaling, though not noted seems to be about 10 degrees per line. Which means the 160-175 is actually shy of where it should be (about 5 lines up from the 110). That bar actually shows it's at 150 degrees, which must mean their marketing is actually very conservative if we are to make grand judgement calls from one graph on a company's page. ;)

The parent was referring to how they didn't start from 0, so it seems 160 degrees is 5-6 times larger than 90 degrees.

Here you go, an accurate graph: http://i111.photobucket.com/albums/n147/IDKAA/graph.png

Actually the graph states that 90 degrees is the zero line because anything less doesn't count as hydrophobic. The whole page in fact explains what the graph means.