Calcium Carbide (25-50mm / 50-80mm)

CAS No.: 75-20-7
EINECS No.: 200-848-3
HS code 28491000
Molecular formula: CaC2
Molecular weight: 64.10
Specifcation:
ITEM INDEX
Special Grade A grade Accept Grade

Gas yield 101.3kPa L/kg min;
Size mm
80-200 300 280 255
50-80 300 280 255
25-50 300 280 250
4-25 300 280 250
pH3 %(v/v)max; 0.06 0.08 0.08
H2S%(v/v)max; 0.10 0.10 0.10

Application:
1. The main raw material for producing acetylene gas.
2. Cutting and welding for metal material.
3. To synthesize polyvinyl chloride(PVC).
4. Fruit catalyst

ITEM			INDEX
			Special Grade	A grade	Accept Grade
Gas yield 20° C 101.3kPa L/kg≥	Size mm	80-200	300	280	255
		50-80	300	280	255
		25-50	300	280	250
		4-25	300	280	250
PH3 %(v/v)≤			0.06	0.08	0.08
H2S%(v/v)≤			0.10	0.10	0.10

Size, mm	Within the limit of the size, %	2.5mm Siftage, %	Ash, %
80-200	≥ 85	≤ 5	≤ 1
50-80	≥ 85	≤ 5	≤ 1
25-50	≥ 85	≤ 5	≤ 1
4-25	≥ 85	≤ 5	≤ 1