PVC (Polyvinyl Chloride) is one of the most widely used and well-known plastics in the petrochemical and polymer industries. This polymer is derived from vinyl chloride...

Sulfur is a chemical element with the symbol S and atomic number 16. This non-metallic element occurs naturally and in combination with other elements. Sulfur is one of...

Marble, Granite, and Travertine are three types of natural stones widely used in construction and interior design. Each of these stones has unique...

Cement is one of the most important building materials used as an adhesive in construction. It appears as a fine, gray powder that, when mixed with water, undergoes a...

Chromite is a mineral primarily composed of chromium oxide (Cr₂O₃) and iron oxide (FeO). This mineral is the main source for chromium extraction in various industries,...

Manganese is a chemical element with the symbol Mn and atomic number 25. This heavy metal belongs to Group 7 in the periodic table and shares chemical characteristics...