| Feature: |
Amorphous red powder or ingot, turn to dark if it has been stored for quite a long time, turn into the brilliant shape when heating. The specific gravity of the crystallization form selenium powder shall be 4.5 g/cm3, the melting point is 685 Centigrade; in 40 Centigrade has no definite form of selenium, 217 Centigrade for melting. The brilliant shape selenium has performance of semiconductors, can dissolve in dense nitric acid and ordinary alkali, selenium, silver, copper, zinc, lead, etc. which present binary alloy, and low toxicity performance. |
| Usage: |
Used in the fields, such as medical science, chemical industry, metallurgy, glass industry, electronics industry, xerox, etc. |
| Specification: |
complies with YS/T223- 1996 specification, trade mark Se- 3, Se≥99%. |
| Packaging: |
uses the membrane plastic bag in the package of products, the net weight is about 25Kg for each bag, use the hard board in external package. |
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