China wholesale Ch4n2s Quotes – 99.9%min, 200mesh selenium powder – Fitech

Basic information:
1.Molecular formula: Se
2.Molecular weight: 78.96
3.Storage: Store in a cool, ventilated and dry warehouse. Protect from moisture and exposure.
4.Packing:This product should be used in six months,and please restore the remanins in vacuum package.

Descriptions:
● Selenium is a chemical element with symbol Se and atomic number 34 and found impurely in metal sulfide ores.
● Selenium has six naturally occurring isotopes. Black Selenium is a brittle, lustrous solid that is slightly soluble in CS2.
● Specializes in producing high purity selenium with the smallest particle average grain sizes.

Application:
1. Selenium has good photovoltaic and photoconductive properties, and it is used extensively in electronics, such as photocells, light meters and solar cells.
2. The second largest use of selenium is in the glass industry: selenium is used to remove colour from glass, to give a red colour to glasses and enamels.
3. The third min use, taking about 15% is sodium selenite for animal feeds and food supplements.
4. Selenium can also find applications in photocopying, in the toning of photographs. Its artistic use is to intensify and extend the tonal range of black and white photographic images.
5. Other uses of selenium are in metal alloys such as the lead plates used in storage batteries and in rectifiers to convert AC current in DC current.
6. Selenium is used to improve the abrasion resistance in vulcanized rubbers. Some selenium compounds are added to anti-dandruff shampoos.

Certificate

The products have been approved by FDA,REACH,ROSH,ISO and other certification, in line with national standards.

Advantage
Quality First
Competitive Price
First-class Production Line
Factory Origin
Customized Services

Factory

Packing

Packing : 25kg iron drum,
20′feet container with pallet 10 ton

FAQ:
Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.