Sumer (Beijing) International Trading Co., Ltd.
professional in coffin handles ,hardware and furniture handles
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Main information:
Product name:ZAMAK COFFIN HANDLE
Model: H019
Brand: B&R
Application: European style coffin
Origin: China
Manufacturer: Sumer International (Beijing) Trading Co.,Ltd
Product detail:
Size: 30*9.5 cm
Material: Zamak (Zinc alloy)
Color: Gold, Silver or Bronze (Optional)
Attached on coffin by screw
MOQ:1000 pcs
Packing: Carton
Common used spec:
3 base---1 meter long
4 base---1.55/1.80 meter long
Other spec negotiable
Main feature:
Professionally engaged in funeral field over 10 years;
Customized products acceptable;
Good quality and competitive price;
More Information:
Zamak
Zinc
This article is about the metallic element. For other uses, see Zinc (disambiguation).
Zinc is a chemical element with the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes. The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are in Australia, Asia, and the United States. Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity(electrowinning).
Brass, an alloy of copper and zinc in various proportions, was used as early as the third millennium BC in the Aegean, Iraq, theUnited Arab Emirates, Kalmykia, Turkmenistan and Georgia, and the second millennium BC in West India, Uzbekistan, Iran, Syria, Iraq, and Israel (Judea). Zinc metal was not produced on a large scale until the 12th century in India and was unknown to Europe until the end of the 16th century. The mines of Rajasthan have given definite evidence of zinc production going back to the 6th century BC. To date, the oldest evidence of pure zinc comes from Zawar, in Rajasthan, as early as the 9th century AD when a distillation process was employed to make pure zinc. Alchemists burned zinc in air to form what they called "philosopher's wool" or "white snow".
| General properties | |
| Name, symbol | zinc, Zn |
| Pronunciation | /ˈzɪŋk/ zingk |
| Appearance | silver-gray |
| Zinc in the periodic table | |
| | |
| Atomic number (Z) | 30 |
| Group, block | group 12, d-block |
| Period | period 4 |
| Element category | transition metal, alternatively considered a post-transition metal |
| Standard atomic weight (±) (Ar) | 65.38(2) |
| Electron configuration | [Ar] 3d10 4s2 |
| Electrons per shell | 2, 8, 18, 2 |
| Zinc alloy standards per country | ||
| Country | Zinc ingot | Zinc casting |
| Europe | EN1774 | EN12844 |
| USA | ASTM B240 | ASTM B86 |
| Japan | JIS H2201 | JIS H5301 |
| Australia | AS 1881 - SAA H63 | AS 1881 - SAA H64 |
| China | GB 8738-88 | - |
| Canada | CSA HZ3 | CSA HZ11 |
| International | ISO 301 | - |
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