... materials, polishing materials, filter materials, insulation materials, cement packing bags, geotextiles, coated fabrics, etc.; (5) non-woven fabrics ... cotton, space, noise insulation materials absorption linoleum, smoke filters, bags tea bags, shoes, etc.Non-woven features: durability, one-time. Insulation ... degrade, it needs 300 years to decompose plastic bags end; and the chemical structure of PP is ...