It is characterized as high tensile strength,good electrical insulation corrosion resistance, easy soakage by bitumen, and so o ItemUnitTypeArea weightg/m22030405060Tensile strength MDN/50mm≥15≥20≥30≥40≥50Soaking time(two layers)S≤10≤12≤18≤23≤30Fiber diameterμm9—13Binder content%5—10Moisture content%≤0.5Widthmm50—1270