Silica Based Superhydrophobic Nanocoatings for Natural Rubber Surfaces

Table 1

Mechanical properties of the coated natural rubber surfaces.

Property	Sample
	Control	Dipped coated	Spray coated
Cure time (hours)	24	24	24
Cure temperature (°C)	50	50	50
Tensile strength (MPa)	16.22 ± 6.09	11.58 ± 2.24	15.65 ± 1.35
Mod 100% (MPa)	1.40 ± 0.13	1.36 ± 0.08	1.44 ± 0.25
Mod 500% (MPa)	8.35 ± 1.54	7.43 ± 2.44	8.58 ± 1.55
Tear strength (kN/m)	43.48 ± 5.66	29.39 ± 1.90	30.52 ± 2.38