... , polyoxymethylene (POM), PPS, PBT, propylene formic acid ester.Composed fiber: PTA, DMT, carbon fiber, poly-tetrahydrofuran and polyether of polyhydric alcohols, etc.Petrochemicals ... hydroxide, etc.Pesticide: herbicides such as acetochlor, proprochlor, chlorpyrifos, furan powder, and cartentrazone etc. insecticides, weedicides and acaricides.Wastewater: wastewater contains ...