Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Values of advance, receding and hysteresis contact angles of uncoated and plasma-coated leather samples.
| Dynamic Water Contact Angle (DWCA)/(° Grades) | Leather Samples | |||
|---|---|---|---|---|
| CC-0 | CC-3 | CC-6 | CC-12 | |
| ϴA | 114 ± 1 | 139 ± 3 | 154 ± 3 | 158 ± 2 |
| ϴR | 67 ± 2 | 128 ± 4 | 145 ± 3 | 158 ± 4 |
| ϴH | 47 ± 2 | 11 ± 1 | 9 ± 2 | 2 ± 0.3 |
