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calcium carbide best price super quality market factory, US $ 390 - 650 / Metric Ton, Other Inorganic Salts, 28491000, calcium carbide.Source from Zouping Changshan Town Zefeng Fertilizer Factory on Waimaotong.com.
Calcium carbide
size:25-50mm 50-80mm 70-100mm
packing:100kg steel drums and 50kg steel drums
Name:Calcium carbide
Molecular formula: CaC2
CAS NO.:75-20-7
Size:4-25mm,25-50mm,50-80mm,80-100mm
Package:50kg or 100kg iron drums
INDEX | PREMIUM GRADE40% (OF THE TOTAL) | FIRST GRADE55% (OF THE TOTAL) | SALABLE5% (OF THE TOTAL) |
L/KG≥GAS YIELD | 305 | 295 | 285 |
PH3 %V/V | 0.05 | 0.06 | 0.08 |
H2S %V/V | 0.09 | 0.08 | 0.12 |
Application:
1.Calcium carbide :M.F. CaC2,gray, brown yellow , black or brown lumpy solid, the basic material of organic synthesis.
2.Reacting with water to bring about ethine.
3. Reacting with nitrogen to product lime nitrogen .
4.The desulfurizer in steel industry.
5.metal cutting and welding.
Applicantion:
This product is lumpy substance, its surface is a little deep gray, has slight nasty smell. It can produce acetylene gas when met water, it can burn when meets fire. The acetylene gas mix with air will form explosive gas (explosive range of acetylene gas in the air is 2.3% - 81%).
Technical specifications and features | ||
1. Name | Calcium Carbide |
|
2. Molecular formula | CaC2 | |
3. UN | 1402 | |
4. Class | 4.3 | |
5. HS code | 28491000 | |
6. Gas yield20 101.3 Kpa | ≥295L/KG | |
7. PH3(V/V) | ≤0.08% | |
8. H2S(V/V) | ≤0.1% | |
9.Molecular weight | 64.10 (according to 1995 international relative atomic mass) | |
10. SIZE | 4-7,7-15,15-25,25-50,50-80,80-120MM | |
11. Packing | 50kg or 100kg iron drum | |
Cautions during transportion:
The packing must be kept in good condition and the goods should be stored in a dry,cool and ventilated place.It should be separate from the cargo can burn and acid.It should avoid meeting water and moisture.It should give off the acetylene in iron drum before storing in warehouse. Rolling drums,heavy putting down and colliding are not allowed to avoid the spark leads to explosion.
Thank you for your attention.
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