PP material, paper, pearl synthetic paper, commonly used internal diameters are 76.2mm and 38.5mm, length 20 meters, thickness 80UM, standard widths include: 600mm, 650mm, 700mm, 750mm, 800mm, 850mm, 1000mm, 1200mm, 1320mm, 1400mm, 1500mm, 1600mm, 1800mm,

2000mm, 2100mm sizes; release liners with viscosities of 400D, 600D, 800D, and 1200G are primarily used for cleaning purposes on board surface cleaning machines. These dust-absorbing paper rolls are widely used in the PCB and multilayer PCB industries, with significant demand, making them almost indispensable for dust-free workshop purification materials.