The hardness of rubber compounds is measured by the Shore A durometer; the higher the durometer, the harder the compound. Softer compounds stretch easier and seal better on rough surfaces. Harder compounds offer greater abrasion resistance and resistance to extrusion.

P10kconfigure

Excellent resistance to Skydrol and other phosphate ester fluids at high temperatures. Also exhibits excellent resistance to automotive brake fluids and steam.

Automotive Brake Fluids, Water/Hot Water, Steam (to 400°F), Silicone Fluids, Some Acids (Dilute), Ketones, Phosphate Esters such as Skydrol

Though, it’s worth to mention that currently p10k configure is not working out of the box on Manjaro. It outputs: [ERROR] p10k configure: cannot create /usr/share/zsh/p10k.zsh because /usr/share/zsh is readonly