Table 1.

Contact angle measurements of Polyurethane and Polyurethane/mustard oil composites.

S. No	Sample	Average contact angle in degrees
1	Pure Polyurethane	86 ± 1.91
2	Polyurethane/mustard oil composites	117 ± 1.83 *

Note: * mean differences were significant compared with pure PU (p < 0.05).