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Zinc alloy has been used in the architectural industry for several hundred years. Europe architects like to use it in buildings as it is strongly erosion resistant, easy to process, can be molded into many shapes, highly compatible with other materials, eco-friendly and easy to reclaim. Together with its long-lasting elegance, Zinc is also increasingly used in the high-end metallic roof and wall systems.
We always name Zn-Cu-Ti to Ti-Zn. Ti-Zn is an alloy of electrolytically refined zinc with 99.9% degree of purity and accurately defined parts of copper and titanium, with optimum mechanical and physical characteristics, Ti-Zn sheet has different kinds : nature Ti-Zn, pre-weathered Ti-Zn and so on, used with various materials because its charcoal aspeet compliments this combination. This material can achieve life span of 70 to 100 years depending on the evironment and its thickness.
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■Long-lasting material
Building maintenance materials should protect and look good over a long period. Ti-Zn panel can satisfy these requirements link to its 80-100 years’ life-span and nice appearance even after ten years’ usage.
■Self-healing performance
Treated by a special dipping process, both surfaces of the Ti-Zn sheet can form pre-weathered layers with various colors. Ti-Zn continues to develop a protective layer (patina) throughout its life and will self-repair imperfections or scrathes.
■Easy to maintain
Even natural Ti-Zn can form an oxidized protective layer on its surfaces after installation, thus, there is no special need to maintain or clean a Yi-Zn panel. Meanwhile, it is also an anti-ultraviolet, heat-resistant and noncombustible natural material.
PREMIUMZINCPREMIUMZINC Quality standard
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Performance |
PREMIUMZINCPREMIUMZINC Standard |
EN 988
EN 988 European Standard |
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Chemical elements |
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Zn |
Z1 grade Zn and fixed quantity of Cd and Pb |
Z1 grade Zn |
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Cu |
0.08—0.2% |
0.08—1.0% |
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Ti |
0.07—0.12% |
0.06—0.2% |
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Al |
≤0.015% |
≤ 0.015% |
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Dimension |
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Bias of panel thickness |
±0.02mm |
±0.03mm |
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Bias of panel width |
+2/0mm |
+2/0mm |
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Bias of panel length |
+5/0mm |
+10/0mm |
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Right bias |
≤1.5mm/m |
≤1.5mm/m |
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Flat bias |
≤2mm and omega≤0.6 |
≤2mm |
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Mechanical properties (along rolling material direction) |
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Yield strength |
110150 N/mm |
≥100N/mm |
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Tensile strength |
152—190 N/mm |
≥150N/mm |
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Elongation rate for first crack |
≥405 |
≥35% |
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Folding experiment |
No crack |
No crack |
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Folding and flatting |
No rupture |
—— |
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Creep resistance
(distortion under force of 50N/sq.m for an hour) |
≤0.08% |
≤0.1% |
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Folding experiment (4 times) |
No rupture |
—— |
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Erichsen cupping test |
No rupture in depth of 7.5mm |
—— |
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Vickers-hardness |
≥45 |
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Physical characteristics of Zn-Cu-Ti
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Density |
7.2kg/dm³ |
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Longitudinal thermal expansion degree |
0.0022mm/m/℃ |
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Melting point |
420℃ |
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Recrystallization temperature |
300℃ |
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Coefficient of heat conductivity |
110W/(m.K) |
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Electric conductivity |
17MS/m |
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Electric spark |
No spark |
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Magnetization property |
Diamagnetism |
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Materials > Zn-Cu-Ti alloy (2487)
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