Heavy duty, silicone coated, knitted fiberglass sleeve is ideal for use in electric arc furnace (EAF) applications and other foundry applications. It provides continuous protection at 500°F (260°C) and short term protection at 2200°F (1204°C). It Sheds molten metal splash in extreme environment and is available in sizes ranging available from 0.25-4.00” (6-152mm) inner diameter.