A premium grade material for service conditions to 496°C (925°F) and continuous operating temperatures of -40°C to 400°C (-40°F to 752°F). Suitable for saturated and superheated steam, oil, dilute acids and alkalis, hydrocarbons, and solvents. Durlon® 8900 has achieved the requirements of the Fire Test Certification ANSI/API 607, 6th Edition with zero leakage.