• ANSI-FM 4950 Rating as a CURTAIN for vertical hot work applications
• Fabric weight is 24oz/sy
• Silica content of 96% min for optimal thermal protection to 1800 deg F continuous
• Heat cleaned to a bronze color to set weave for better handling and stability
• We developed this fabric because many jobs require more strength than our standard military grade 18 oz silica fabric.

5' X 6' Sized for average industrial jobsites.