Corrosion Resistance Synergistic Appraisal of Titanium-Impregnated Bisphenol A-Type Epoxy Duplex Coating System in Stimulated and Natural Marine Environments of Southeastern Coastal Area of China–Pakistan Economic Corridor

Table 2

Comparison of different properties of virgin epoxy coating and titanium-embedded epoxy coatings applied to mild steel.

Sample codes	Dry film thickness	PVC	Volume of Ti metal powder	Drying time	Pencil hardness	Adhesion loss
	(μm)	(%)	(%)	(minutes)		(%)
T0	82	19.53	0	140	4H	69
T5	80	21.12	1.2	122	5H	16
T10	86	22.81	2.4	110	5H	4.76

T₀: virgin epoxy coating; T₅: 5% titanium-embedded epoxy coating; T₁₀: 10% titanium-embedded epoxy coating. As per ASTM specifications: the softest pencil is 6B and the hardest pencil is 6H.