Raw materials of welding flux

We are supplying comprehensive raw materials of welding flux. The specs for ferro
manganese shows as below:

Mn (%): 75.0-85.0
Si (% max): 1.5
P (% max): 0.03
S (% max): 0.03
C (% max): 1.0-8.0
Size: -60 mesh or according to customer's requirement

Packing: according to customer's requirement