You can feel confident placing your food directly on the FibraMent baking stone. FibraMent is certified by NSF, a global, independent product testing and certification organization headquartered in the United States. The NSF mark is your assurance that FibraMent baking stones comply with all established standards and guidelines for safe contact with food. FibraMent is the only commercially available baking stone with this certification.
FIBRAMENT PHYSICAL PROPERTIES:
Temperature Limit, Continuous Use: 1000°F, intermittently 1500°F
Compressive Strength: 9,363 PSI per ASTM C109
Moisture Content: 6-10% of dry weight