Titanium plates are core materials for aluminum electrolytic capacitors. As anode base materials for foil etching, they undergo electrochemical etching and oxidation to form a dielectric layer (Al₂O₃), directly impacting capacitor capacity and lifespan.
Toho Titanium: TG-120 ultra-high-purity titanium foil (99.99% purity), surface roughness Ra≤0.2μm.
Mitsubishi Materials: HPT series, bending fatigue resistance >10⁵ cycles (0.1mm foil thickness).
Timet: Ti-Pure™, oxygen content ≤500ppm (derived from aerospace technology).
Parameter Specification
Thickness: 0.05–0.2mm
Tolerance: ±0.005mm
Purity: ≥99.95%
Oxygen Content: ≤800ppm
Surface Roughness: Ra≤0.3μm
Tensile Strength: 300–500MPa
ASTM Grain Size: ≤Grade 6