) Content : Ideally and strictly under 3%. Low silica prevents chemical reactions with molten steel that cause "sand burn" or sticking.
) Content : Look for a minimum of . Higher grades (46%+) offer better refractoriness and thermal stability. Silica ( SiO2cap S i cap O sub 2 buy chromite sand
: Must withstand temperatures up to 1,900°C (3,452°F) . 2. Top Global Suppliers ) Content : Ideally and strictly under 3%