Durable nanoweb scrim laminates
View Patent ↗A filter media comprising a nanofiber layer and a substrate layer; the nanofiber layer comprising a polymer material and having a fiber diameter of about 0.01 to 1.0 micron, a basis weight of about 0.5 to 30 gsm, and a thickness of at least about 2 microns, the nanofiber layer further having a surface stability index of at least about 5 kN/m, the media further being pleated.
1. A filter media consisting of a nanofiber layer and a substrate layer; the nanofiber layer comprising a polymer material and having a fiber diameter of about 0.01 to 1.0 micron, a basis weight of about 0.5 to 30 gsm, and a thickness of at least about 2 microns, the nanofiber layer further having a surface stability index of at least about 5 kN/m, the media further being pleated.
2. A filter comprising the filter media of claim 1 .
3. The filter media of claim 1 wherein the substrate layer comprises a nonwoven comprising spunbond fiber, dry-laid or wet-laid fiber, cellulose fiber, melt blown fiber, glass fiber, or blends thereof.