| Molecular：CaC |
| Molecular weight：64.10 |
| Character |
Grey.black solid.purple when its purity is more than 90%：the specific gravity is 2.32（purity 80%）.melting point is 1980℃（purity 52.5%）.It can be dissolved in water to create acerylene and calcium hydroxide.heat will be released at the same time. |
| Standard |
GB10665-1997 |
|
Item |
Super Grade |
Fist Grade |
Passable Grade |
| Gas yield （L/kg）≥ |
305 |
295 |
285 |
PH 3 Content in Acetylene
（V/V）%≤ |
0.04 |
0.06 |
0.08 |
H 2 S Content in Acetylene
（V/V）%≤ |
0.04 |
0.06 |
0.08 |
| Lump Size （mm）≥90% |
25-50/50-80/70-100 |
| Usage |
It is a basic material in organic syntheseis industry；acetylene obtained from calcium carbide is the raw material to make ethylene.chloroprene rubber.calcium cyanamide.acetic acid.acetaldehyde.trichloroethylene.etc. Also used as desulfuration agent in steel industry and for metal cutting and welding. |
| Packing |
In 100 kgs net steel drums sealed with nitrogen gas or in net 50 kg soft bags specially for railway transportation.Marked with“AWAY FROM FIRE AND WATER”on the outside packing. |
| Storage and transportarion |
Storde in cool. Ventilated and dry warehouse.away from water and moisture. |
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