Containment glazing Makrolon® AR500 monolithic polycarbonate sheet has been tested to ASTM F 1233, ASTM F 1915, and HPW TP 0500 standards for containment and forced entry applications. This specific Makrolon grade is produced for high optical quality in thick gauge security glazing. Its proprietary hardcoat facilitates cleaning and resists marring, chemical, and graffiti attack. Makrolon AR500 has a seven (7) year Limited Product Warranty against coating failure, hazing, and yellowing. Applications: Security doors and windows Information provided by Covestro |