calcium carbide 15-25mm

Views： order Time：22-05-18

Details：

1.Product name：calcium carbide 15-25mm

2.Shape: white crystal, industrial products for black lumps, purple or grey section

3.Packaging Details： Packed in 50kg iron drums or 100kg iron drums,22.5MT per 20’fcl.

4. Specs:

ITEM		Gas Yield			Size Percentage
Gas Yield 20°C 101.3Kpa L/kg ≥	Size	Top	A grade	Accept grade	Size Percentage
	2-4mm	260	240	220	≥90
	4-7mm	280	260	240
	7-15mm	290	270	250
	15-25mm	300	285	260
	25-30mm	300	295	280
	50-80mm	300	295	280
	80-200mm	300	295	280
PH3%(V/V) ≤	0.032
H2S%(V/V) ≤	0.015
Caution:	Calcium carbide is hazardousgoods, too many ashes will cause explosion, so the ash content should be strictly controlled

5.Application

Mainly used to produce acetylene gas. It is also used for organic synthesis, oxyacetylene welding etc...Acetylene produced by the reaction of calcium carbide with water can be used to synthesize many organic compounds, such as synthetic rubber, synthetic resin, acetone, ketene, carbon black, etc...Heating the powdered calcium carbide and nitrogen, the reaction of calcium cyanamide, namely lime nitrogen, cyanide salt and lime nitrogen heating melt reaction for mining gold and nonferrous metal industry. Calcium carbide itself can be used in the iron and steel industry desulfurizer. Production of polyvinyl choride(PVC).

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