... 1800mm, can be cut into any size, 3.Various colors PP spunbonded fabric:The main purpose can be divided into: ( ... and asphalt shingle roofing substrate, and enhance materials, polishing materials, filter materials, insulation materials, cement packing bags, geotextiles, coated fabrics, ... to decompose plastic bags end; and the chemical structure of PP is not solid, the molecular chain can easily be ...