Shop for SentryGlas® XTRA™ (SGX™) Interlayer Sheet. SentryGlas® XTRA™ (SGX™) (SG6000) interlayer sheet offers improved adhesion to the air-side of glass without requiring an adhesion promoter. Material has outstanding optical quality, post-breakage performance, superior open-edge performance, and resistance to delamination. SGX™ complies with global safety glazing codes such as ANSI Z97.1, EN14449, EN12543, EN12600, EN356 and Safety Glazing Certification Council (SGCC). Properly laminated and installed, SGX™ laminates of 2.53 mm caliper have been tested and pass the large missile impact test per ASTM E 1996. Custom cuts and cut-to-size pieces. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.