Needle-punched felt Material: polyester, acrylic, viscose or mix content Weight: 100-5000g/m2 Width: 1m-2.5m Thickness:1mm-20mm Length: as customers' request Color: white, red brown,light camel,beige etc... Characteristic: Eco-friendly, anti-static, seal, dustproof, sound insulation,moisture-proof,filtration Usage: Mainly is used as mattress,tent,seal, gasket,filter material,on a variety of mechanical, electrical,wires instruments, part of the military machinery, packaging transportation machinery, printing equipment, clothing sewing equipment, household appliances, textile, energy, digital control equipment, pharmaceutical equipment,construction machinery and metallurgical smelting, magnetic materials, locomotive manufacturing, ship repair and other key parts. Packing: poly bag inside,PP woven bag outside