All Star also converts material from our 1/8" and 3/8" thick closed cell, non-adhesive foams. We slit to a variety of widths. The UMG (Medium Density) is the most commonly ordered density.  In addition we of UXR (Firm Density).  The firm density is usually sourced for manufacturing heavy materials that would cause the Gasket to compress under weight of the material being processed before the vacuum is engaged.