Olivine Sand (Dunite) is a naturally occurring magnesium iron silicate mineral widely used in foundry and refractory applications. Known for its high refractoriness, low thermal expansion, and excellent resistance to metal penetration, olivine sand is an ideal substitute for silica sand in steel and manganese casting industries. Our Olivine Sand / Dunite is carefully processed, washed, and graded to meet stringent industrial specifications, ensuring consistent performance and superior casting finish.
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