DR8 DR7 Corrosion Resistant Electrolytic Tin Plate 0.2mm for Food Can Manufacturing Product Description: Electrolytic Tin Plate (ETP) represents premium-grade packaging material that combines exceptional durability with superior protective qualities. These advanced tinplate sheets and coils feature precise DR8 and DR7 temper grades, providing optimal strength and formability for demanding packaging applications. The 0.2mm thickness specification offers the perfect balance