Established in 1990, our company has become one of the main filter paper producers in China, specializing in the business of automotive filter paper .Our products are of high quality and reasonable price and enjoy popularity in the market. Basis Weight: 150±5gsm Filter paper width (height) available: 100mm-1600mm; Thickness: 0.5mm Diameter of the roll: around 78cm Air permeability at 200Pa: 350-500 L/m2.s Corrugation Depth 0.25mm Mullen (bursting strength) >=250kpa Maximum Pore Size 50um Volatile Content 3% Resin content 25% Plain paper or corrugated paper as requested Inner packing: Plastic bag, Outer packing: Kraft paper