Description / Abstract: Material Description. This specification covers the properties of a polyester ultra-low density Sheet Molding Compound (SMC), reinforced with 35% glass fibers, all are randomly oriented. The cured material shall have a density of 1.03 g/cm³ to 1.21 g/cm³ maximum. This material must meet the bondability requirements of GMW15921.

Symbols. The material abbreviation according to ISO 11469 is UP-GF35.

Applicability. Includes upper plenum, speaker close-out panels, the surround.