In metallurgical industry, high temperature liquid steel is often sputtered, which lead to the pipeline and cable be damaged. The molten steel to form slag when they curd on the cable, which lead to the cable burst. The fire sleeve of Beijing Great Pack Materials Co., Ltd can protect pipes, cables and equipment on these occcasions greatly, which is better for long life. Beijing Great Pack's sleeve is made from woven insulates glass fibre braided sleeve that is heavily coated with 100% iron oxide silicone rubber. Glass fiber is an excellent inorganic non-metallic materials. Fiberglass has strong insulation, high temperature resistance, corrosion resistance performance. And it can provide good protection for pipes and cables.