Sumer (Beijing) International Trading Co., Ltd.
| Supply Ability | 500,000 pcs/month |
| Packaging Details | carton |
| Color | Bronze |
| Material | Brass |
| Origin | China |
| MOQ | 500-1000pcs |
| Shape | ring |
| Usage | funeral |
| Size | 11cm |
| Brand Name | B&R |
| Model Number | BD010 |
| Certification | CCPIT |
| Place of Origin | China |
View Detail Information
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Product Specification
| Supply Ability | 500,000 pcs/month | Packaging Details | carton |
| Color | Bronze | Material | Brass |
| Origin | China | MOQ | 500-1000pcs |
| Shape | ring | Usage | funeral |
| Size | 11cm | Brand Name | B&R |
| Model Number | BD010 | Certification | CCPIT |
| Place of Origin | China | ||
| High Light | Casket Cross ，Ornamental Coffins Screws | ||
Main information:
Product name:Brass decoration
Model: BD010
Brand: B&R
Application:Coffin, Tombstone ,cemetery or others.
Origin: China
Manufacturer: Sumer International (Beijing) Trading Co.,Ltd
Product detail:
Size: 11cm
Material: Brass (Copper alloy)
Color /finishing: Antique Bronze
MOQ:500-1000 pcs
Packing: Carton
Main feature:
Professionally engaged in funeral field over 10 years;
Customized products acceptable;
Good quality and competitive price;
More Information:
Brass making in the medieval period
Little is known about the production of brass during the centuries immediately after the collapse of theRoman Empire. Disruption in the trade of tin for bronze from Western Europe may have contributed to the increasing popularity of brass in the east and by the 6th–7th centuries AD over 90% of copper alloyartefacts from Egypt were made of brass. However other alloys such as low tin bronze were also used and they vary depending on local cultural attitudes, the purpose of the metal and access to zinc, especially between the Islamic and Byzantine world. Conversely the use of true brass seems to have declined in Western Europe during this period in favour of gunmetals and other mixed alloys but by about 1000 brass artefacts are found in Scandinavian graves in Scotland,brass was being used in the manufacture of coins in Northumbria and there is archaeological and historical evidence for the production of brass in Germany and The Low Countries, areas rich in calamine ore.
Characteristics---Chemical
Copper does not react with water, but it does slowly react with atmospheric oxygen to form a layer of brown-black copper oxide which, unlike the rust that forms on iron in moist air, protects the underlying metal from further corrosion (passivation). A green layer of verdigris (copper carbonate) can often be seen on old copper structures, such as the roofing of many older buildings.and the Statue of Liberty.Copper tarnishes when exposed to some sulfur compounds, with which it reacts to form various copper sulfides.
Occurrence
Copper is produced in massive stars and is present in the Earth's crust in a proportion of about 50 parts per million (ppm).It occurs as native copper, in the copper sulfides chalcopyrite and chalcocite, in the copper carbonates azurite and malachite, and in the copper(I) oxide mineral cuprite.The largest mass of elemental copper discovered weighed 420 tonnes and was found in 1857 on the Keweenaw Peninsula in Michigan, US.Native copper is a polycrystal, with the largest single crystal ever described measuring 4.4×3.2×3.2 cm.
| Main isotopes of copper | ||||
| Iso tope | Abun dance | Half-life | Decay mode | Pro duct |
| 63Cu | 69.15% | is stable with 34 neutrons | ||
| 64Cu | syn | 12.70 h | ε | 64Ni |
| β− | 64Zn | |||
| 65Cu | 30.85% | is stable with 36 neutrons | ||
| 67Cu | syn | 61.83 h | β− | 67Zn |
More Picture:
BD010 brass decoration for tombstone
Brass ring handle BD010
A copper disc (99.95% pure) made by continuous casting; etched to reveal crystallites.
Copper mining
Raw material of brass
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2007
Total Annual:
500000-1000000
Employee Number:
50~100
Ecer Certification：
Active Member
Sumer (Beijing) International Trading Co., Ltd, is one of biggest manufacturer and exporter in funeral products in China. We are specialized in coffin handle, casket corner, swing bar, crucifix, cross, decoration and others’ funeral products. And we also supply the wooden coffin, metal casket,... Sumer (Beijing) International Trading Co., Ltd, is one of biggest manufacturer and exporter in funeral products in China. We are specialized in coffin handle, casket corner, swing bar, crucifix, cross, decoration and others’ funeral products. And we also supply the wooden coffin, metal casket,...
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