... produce industrial use sulfur powder for many years, good quality and best price. Specificaiton1.Sulphur ≥ 99.5% ,Ash ≤ 0.1% ,Organic ... .Uses: Sulfur is used in the vulcanization of natural rubber and fungicide. It is also used extensively in marking phosphatic fertilizers, A ... . 7.It is used to make sulfite paper and other papers, to fumigate fumigant, and to bleach dried fruits. The element is ...