Dear Sir or Madam,
We are one of the biggest pyrite products manufacturer in China.Our main products are high quality pyrite ferro sulphur lumps and its powder.The quality and the size as follow:
Ferro Sulphur(FeS2):
Quality :
S 48%min;
Fe 43%min;
SiO2 3%max;
H2O 1%max.
Size:3-15mm;10-30mm;10-50mm;10-80mm.
Ferro Sulphur powder(FeS2):
Quality :
S 48%min;
Fe 43%min;
SiO2 3%max;
H2O 1%max.
Size:100mesh X down;200mesh 98% down;325mesh 70%min down;400mesh 60% min do