fresh lotus leaf (super-hydrophobic surface) and measurement of roll off angle for the same lotus leaf. Contact angle for fresh lotus leaf is about 160° and roll off angle is about 10°. Visit http://www.usakino.com to find more information about our contact angle goniometer and surface tensiometer.
Tel: +1 (857) 626-5666 , +1 (857) 626-5888
Address: 14 Tyler Street, 3rd floor, Somerville, Boston, MA 02143