Magnetite is a common ore of iron, is the most magnetic of all the naturally occurring minerals in nature and has many uses and applications beyond the production of iron and steel.
Most powdered glass is sourced from used glass and then ground down. This makes it a more cost-effective resource. There are however milled glass products which are sourced from new glass or reject glass containers for specialised applications.
Hematite is commonly seen by us in the form of rust. This occurs as a chemical compound of oxygen and iron. In the industrial world, it is known as red iron oxide and it is one of the most important chemical compounds.
The use of iron pyrite powder in the manufacture of brake shoes and resin bonded grinding wheels affords desirable properties such as longevity and resilience, in addition to enhancements in the braking and grinding processes.