Ems-Grivory of Switzerland has developed Grivory HB, a polyamide (nylon) copolymer resin for paper barrier coatings. According to reports, GrivoryHB is a semi-crystalline nylon MXD6/MXDI copolymer, processing properties and PA6 is very similar, has a higher barrier to oxygen and carbon dioxide, extractables, and can be oriented at a processing temperature above 95 °C.
Grivory HB can be coated with a standard coating method, such as extrusion (laminating), co-extrusion, and tandem extrusion molding into single or multi-layered products, with a wide range of applications.