These components are made by taking a prefabricated mesh form and putting it into an injection mold. The mold closes around the mesh and plastic is injected to create a gasket and/or a support cage. Mesh sizes range from 1 micron openings up to 2000 micron openings. Common materials Support cage/gasket materials Nylon: most varieties including filled Polypropylene: homopolymers and copolymers including filled Polyethylene: high density and low density Polyester: most varieties including filled Acetal: homopolymers and copolymers including filled Others: contact us if you need a material that is not listed Filter Materials Stainless steel: most alloys, 2 to 2000 micron Other metals: most alloys including epoxy and Teflon coated Nylon from 1 to 2000 micron Polyester from 1 to 2000 micron Polypropylene from 75 to 2000 micron