Review of Refractive Index-Matching Techniques of Polymethyl Methacrylate in Flow Field Visualization Experiments

Figure 4

Corrosion effect of p-Cymene. (a) A nitrile butadiene rubber-sealing ring soaked for 24 hours vs. a normal one of the same size; (b) a silicone rubber-sealing ring soaked for 24 hours vs. a normal one of the same size; (c) the adapter was broken after contact with p-Cymene and absolute ethanol.

(a)

(b)

(c)