| abstract |
A polyethylene porous hollow fiber membrane using a resin composition having excellent fluidity including polyethylene, having excellent membrane quality and rigidity, and having a high water permeability and excellent filtration characteristics, and a cartridge and a hollow fiber membrane module for water purifier provided with the polyethylene porous hollow fiber membrane For the purpose of providing The average pore diameter of the hollow fiber membrane is 0.1 to 0.5 µm, the pore diameter distribution is 70% or more of the total pore diameter distribution in the region of ± 0.05 m from the average pore diameter, and JIS K 7210. Melt flow rate measured in accordance with code D of 0.1 to 0.9 g / 10 minutes, melt flow rate measured in accordance with code G is 50 to 100 g / 10 minutes, the ratio FRR (G / D) is 50 to Polyethylene porous hollow fiber formed with the resin composition excellent in the fluidity | liquidity containing 100 and a density of 0.962-0.68 g / cm <3>. Moreover, the water filter cartridge and hollow fiber membrane module provided with the said polyethylene porous hollow fiber membrane. |