Specifications: Product name: synthetic needle felt Material: viscose,polyester, polypropylene or wool and fibre blend Weight:120-5000g Product name:synthetic needle felt Material:viscose,polyester, polypropylene or wool and fibre blend Specification: Item No. Weight/m2(g) Thickness (mm) Length/Width (mm) Wool(%) Fiber(%) Other HSX311-03 120-5000 1-20 For your request 100 Usage: Industrial fiber felts are mainly used as seals and gaskets in many fields. heat insulation, sound insulation, radiation protection, gas protection, breathable, heat-resisting, wear-resisting shock proof and etc. also can be thel application of civil use Character: 1. It is the natural, environmental protection material. 2. produced by cross lapping with the, hard to loose, can be made to any style spare parts easily.3. tight texture, no strictly limited to the thickness. Quality Management System: ISO9001: 2000, ROHS synthetic needle felt