PP filament series of filter cloths adopt polypropylene（PP）as raw material,woven through warp and weft twisting.Based on the psysical and chimical characteristics of PP fiber,this series of products is given with acid and alkali material combinations of different specifications and different composition textures can be selected for products,to form various products of different filtration performance and appearance of fabrics,to adopt to varied requirements of users.This products is mainly applied to chemical,chemical fertilizer,building material,sugar making, nonferrous metal smelting,effluent treatment,and other numerous industries for plate type filter press ,vacuum suction strainer,band filter,page filter,centrifugal,and other components for solid liquid separating equipment.