It is made by asbestos cloth coated with rubber and compressed into tape shape .Used as lining and sealing. Asbestos tape with rubber reinforced with metallic(copper wire ,inconel wire or stainless wire )are also available. Refractoriness:280-450℃ Spec:Thickness:3mm-25mm Width: 25mm-150mm Packing :in plastic woven bag of 50kgs net each. NingBo GongYao Sealing Materials Co.,Ltd---a professional manufacturer and exporter of chinese sealing and heat insualtion materials, specialized manufacturing gland packing,glass fiber,asbestos ,non-asbestos products and other materials. Up-to-date technology, advanced equipments and near 40 years manufacture experience will bring best quality but lower prices to our clients. We can supply follow products: 1. GLAND PACKING; 2. GLASS FIBRE PRODUCTS; 3. ASBESTOS PRODUCTS; 4. CERAMIC FIBRE PRODUCTS; 5. CARBON FIBER PRODUCTS; 6. EXPANDED GRAPHITE; 7. GASKETS & SEALS; 8. PTFE PRODUCTS; 9. OTHER PRODUCTS If you are interested and want more information, please contact us. Email::86-574-63531211,Fax:86-574-63530333,MSN::www.gongyaosealing.com.