We select 1.2Dã€?D and 2.5D excellent polyester fibers and use advanced equipment to produce PET (polyester) fiber needle punched filter felt. It can uniformly blend over five kinds of fibers with different materials and specifications, and through a series of blending cotton machines and carding looms that are good to produce products that are layer composite and ladder change between fibers. This kind of product possess high porosityã€good permeability ã€high effective dust collectingã€long using-life etc. Common character as ordinary filter felt have. Besides, owing to its medial temperature resistance (can reach 150â„?in short time), medial anti-acid and anti-alkali, especially its excellent anti-abrasion, polyester needle punched filter felt have the largest quantity of turnouts. Weight ranges from 350g/ãŽ?to 800g/ãŽ? thickness from 1mm to 4mm. The felt can be treated with: glaze, singeã€calendar or coat etc under your request.