(a)Key CCAC Data (The Standard Copper Layer Cross-Section Ratio 20%, Mass Ratio 45%)

(1) DC Resistivity：0.0248 Ω·m;
(2) Current-Carrying-Capacity: Corresponds to 83%～88% of copper bar;
(3) Elongation: 12% - 45% (depending on soft or hard state);
(4) Tensile Strength: 80MPa – 200MPa (depending on soft or hard state);
(5) Density: 3.94g/cm³ （volume ratio of copper is 20%）;
(6) Yield Stress: 44MPa-54MPa(soft), 152MPa-179MPa(hard);
(7) Modulus of Elasticity: 71GPa;
(8) Thermal Conductivity: 0.58 cal/cm/sec/℃.

(b) Key Products Data

(1) Cross-sectional ratio of cladding copper is ranged 15% - 30% (the standard cross-sectional ratio of cladding copper is 20%, upon inquiring, any ratio could be made by special ordering);
(2) Mass ratio of cladding copper is ranged 30% - 60% (the standard mass ratio of cladding copper is 45%);
(3) Coating layer uniformity: The thinnest point > 90% of the average thickness of the cladding copper;
(4) Straightness deviation ≤ 0.15%;
(5) Tolerance: Width ±0.3mm, thickness ±0.05mm;
(6) Interfacial bonding strength (including shear strength) shall be great than the anti-shear strength of aluminum (50MPa ~ 80MPa under normal condition);
(7) Shape: The side of the cross-section are rounded (R=1/2 thickness) or half rounded (R=thickness);
(8) Temper: Soft or hard
(9) When bend the broad-side 90°, the cladding copper shall has no crack, the cladding copper and the core aluminum should not be separated.
(10) Surface: After sanding and polishing, no visible defects;
(11) Shipping condition: coated anti-oxidants (anti-oxidation life under normal temperature > 180 days).

(c) Busbar Standard

(d) Product Specifications