... solar, foundry, chemicals, electronics, ferrous metals, high-temp, heat conduction, metallurgy, lubrication, anti-corrosion .etc1. Refractory material: widely used in ... , structural elements and charging plates, furnace linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc ... melting and reduction. Boats and trays for sintering. High quality graphite sheet