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Powder T1 tellurium – Specialnaya metallurgiya NPK, OOO | all.biz
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Powder T1 tellurium

Powder T1 tellurium

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Price:
735568.16 AZN
Wholesale:
  • 713501.12 AZN/t.  - from 2 t.
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Russia, Ekaterinburg
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82% of positive reviews from 17
4
4 years on Allbiz
Technical characteristics
  • Country of manufactureRussia
Description
Tellurium — fragile silver-white substance with metal gloss. In thin layers on a gleam red-brown, in couples — golden-yellow.

Physical properties tellurium and:
crystallizes in hexagonal system: and = 4,4570Å; with = 5,9290Å;
density is 6,25 g/cm3 at 20 "With; tpl450 °C; tkip of 990 °C;
specific heat at 20 °C 0,204 kJ / (kg • J) [0,047 kcal / (• °C)];
heat conductivity at 20 °C 5,999 W / (m • J) [0,014 kcal / (cm • sec. • °C)];
temperature coefficient of linear expansion 1,68•10-5 (20 °C);
tellurium diamagniten;
specific magnetic susceptibility at 18 °C-0,31•10-6;
hardness according to Brinell of 184,3 Mnm2 (18,43 kgfs/mm2);
nuclear radius is 1,7 Å, ionic radiuses: Te2 - 2,22 Å, Te4 + 0,89 Å, Te6 + 0,56 Å.

Tellurium - the semiconductor. Width of the forbidden zone 0,34 ev. Under usual conditions and up to melting temperature pure Tellurium has conductivity of p-type. To fall of temperature in an interval (-100 °C) - (-80 °C) there is a transition: conductivity of Tellurium becomes n-type. Temperature of this transition depends on purity of a sample, and it that is lower, than the sample is purer.

Powder T1 tellurium available in a warehouse, we carry out delivery across Russia and the CIS countries.

Use of tellurium:
in production of alloys of lead with the increased plasticity and durability, At introduction of 0,05% of tellurium of loss of lead for dissolution under the influence of sulfuric acid decrease by 10 times, and it is used by production of lead-acid accumulators;
in production of semiconductor materials and, in particular, tellurides of lead, bismuth, antimony, caesium;
for uzkozonny semiconductors;
in the course of rubber curing;
production of halkogenidny glasses - some glasses on the basis of tellurium are semiconductors that, in turn, found application in designing of the special chemical equipment;
for production of lamps with its couples — they have the range very close to solar;
in re-recorded compact disks for creation of the deformable reflecting layer.

The actual price to you will be prompted by our manager.

It is easy to buy Powder T1 tellurium:

Scheme of work


 


You send the application
We make out you a bill
You pay in the way, convenient for you
You receive the goods

 

 


What it is worth knowing about us

The delivered metal rolling constantly is available, and is stored "about 2000 tons" in a warehouse.

Own production of a professional flooring.

We offer a payment delay "about one month".

We do everything possible for minimization of terms of processing and delivery.

We carry out cutting of metal in the size and according to your drawings.

We provide service of responsible storage in the covered warehouse.

We offer the loyalty program allowing to receive discounts for purchase, processing or delivery of metal rolling.


 


 


 


Advantages of work with us


 


Goods available in a warehouse Official guarantee High quality of goods Expeditious delivery Loyalty program

 


 


The actual price of Powder T1 tellurium to you will be prompted by our manager.

The final price of production is formed, proceeding from terms of delivery: quantity, terms of payment and place of shipment. Ask the manager.
This price list has exclusively information character and under no circumstances is not the public offer determined by provisions of the p. 2 of Art. 437 of the Civil code of the Russian Federation.
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