High Purity Tellurium Metal | 5N 6N 7N Tellurium Factory
| CAS Number | 13494-80-9 |
| Purity | 5N, 6N, 7N |
| Net Weight | 1kg bars, or as required |
| Size | 20-100mm |
| Min Packaging | 1 bar/vacuum bag |
| MSDS/COA | Email or WA business |
| Capacity | 50 KG/month |
| Ready to Ship | 5-7 days, or by request |

Fast Shipping

30 days return & 12 months warranty

Orders processed
within 24 hours
Basic Information
Custom Rare Metal manufactures high purity Tellurium metals at the range of 99.999% to 99.99999%. Besides high-purity tellurium, tellurium shot, tellurium powder, tellurium cube and tellurium powder are available by request. The lowest possible bar unit price to tellurium metal melt value ratio is maintained through advanced smelter and mould systems refined and pressed to exacting purity and weight.
Available Forms
- Tellurium Bar
- Tellurium Copper
- Tellurium Shot
- Tellurium Dioxide
- Tellurium Compound
Also, we produce Tellurium as rod, pellets, block, pieces, ingot, and alloys, as tiny cubes and in compound forms, such as bismuth telluride. Tellurium metals may be purchased in bulk or small quantity.
Tellurium Metal Quality Criterion
| Grade | Chemical Component / % | ||||||||||||||||
| Te (min) | Impurities ˂ (× 10-5 ) | ||||||||||||||||
| Na | Mg | Al | Ca | Cr | Mn | Fe | Ni | Cu | Zn | Se | Ag | Cd | Pb | Bi | Total | ||
| Te 5N | 99.999 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 5 | 5 | 5 | 20 | 2 | – | 20 | 10 | 100 |
| Te 6N | 99.9999 | – | 0.5 | 0.5 | 1 | – | – | 5 | 0.5 | 0.1 | 1 | 1 | 0.1 | 0.5 | 0.5 | – | 10 |
| Te 7N | 99.99999 | Please contact Sales or Technical Support for further information on this level | |||||||||||||||
Tellurium Metal Applications
- II-IV compound semiconductor, infrared detector
- Cadmium telluride (CdTe) solar cell
- Bismuth telluride (Bi2Te3) thermoelectric conversion element and refrigeration element, etc.
Tellurium Technical Data
| Density | 6.24 g/cm3 |
| Melting Point | 449.51 °C |
| Boiling Point | 988 °C |
| Electrical Resistivity | 5.8-33 µΩ·cm at 20 °C |
| Electronegativity | 2.1 Paulings |
| Thermal Expansion | 18 µm·m-1·K-1 at 20 °C |
| Bandwidth | 0.35 EV |
| Specific Heat | 0.20 J/g·K |
| Thermal Conductivity | 1.97-3.0 W/m·K |
Customization Production
Please let us know what size, form, impurity content or drawings you need. We will let you have NDA and quotation project
Even for only one bar, it is available for you as well. If there’s no stock, it takes around 3-5 working days to finish the production, but some types need customize mould then the lead time would be extra 5 working days.
Tellurium Highlights
01
High purity, low impurities
Strict control of raw material and guaranteed purity
02
Good stability
Passed stability and reliability tests at different temperatures from our clients in East Asia
03
Good optoelectronic properties
Absorbs solar energy over a wide spectral range and has good photodetection capabilities
Packaging, Transport and Storage
- Packaging: packed in vacuum plastic bags and then packed in a carton box for shipping. Other packaging options
are available. Clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage before transit or during transport. - Transportation: by Fedex, DHL, UPS with door to door delivery, by Air for urgent order and by Sea for bulk order.
- Storage: store tellurium metals in a dry, clean environment to avoid damage and pollution.



Why Custom Rare Metal?
Custom Rare Metal, an Aster Materials company, founded and headquartered in Changsha city, which is the non-ferrous metal resources gathering place in China. We entered the Linxiang Lead and Zinc Mine to start smelting and material processing business in 2009.
The Most Efficient Teams
- A team of engineers with more than 15 years of senior production experience in the field of metal reprocessing, coupled with our highly skilled sales team.
- High precision and stability of production equipment, skilled operators and standardized processes ensure excellent quality.
- We have ICP, ICP-MS, ICP-OES, Laser particle sizer, thermal impedance testing equipment, Thermal shock chamber, density, viscosity and other equipment and facilities.
Higher than 99.99% Purity
- The raw material end is strictly controlled, and offer a complete set of test reports including TDS, COA, PSD, SEM for each batch.
- The content of heavy metals is far lower than guaranteed value, and actual purity is higher than 99.99%.
- SGS Inspection and EU RoHS standard materials
- Sample Support for preliminary test, secondary testing and more tests to verify the consistent quality of different batches.
The Best Buyer Satisfaction
- Quotation and Technical support within 60 minutes by e-mail, calling or instant message.
- Strict raw material quality control and test report for finished product, buyer do not have to worry about quality problems.
- Every year, new and old buyer satisfaction surveys are conducted, and our buyers filled and signed questionnaires seriously that satisfaction is above 9 out of 10 score.
Frequently Asked Question
FAQ about custom rare metal
With more than 15 years’ experience in manufacturing Tellurium metals, we have got a distinguished reputation for excellence, supported by our rigid quality control system and a team of skilled engineers.
- Click [Inquiry Now] or visit [Contact] page to submit your request. Please attach a drawing for custom size.
- Our sales or technical support team will respond within 1-2 hours.
- Send you a quotation and send you an Invoice or payment as per your order instruction.
- After payment, we will keep you updated of production status
- Pack your order after you confirmed outgoing quality check report
- Send shipping documentations, until you receive it in one piece.
The top three export markets are Germany, the Netherlands and the United States in the past 12 months.
In many cases, small samples can be obtained free of charge. Please message or call us to discuss your requirements. Postage costs for samples will be depended on your place.
Small samples from our ready stock can be shipped out in the next day. If you request a sample for a custom size which will be shipped within 5-7 working days of receipt of that request, along with COA.
- Usually 5-7 days by DHL, FedEx or UPS with door to door delivery.
- 2-5 days by Air for urgent order.
- 10-35 days to arrive at your port by Sea.



