The perfect anti-fatigue mat solution for electronics and explosive manufacturing. Autoclavable at 250 degrees - Must be laid flat when cooling. Specs: Cleanrooms: Class 100;-Static control: Point to point resistance: 1.2 x 10X5 Ohm; Non-porous; Material: Virgin Nitril rubber with carbon black; Thickness: 5/8". 3-Year Warranty. 3' x 10'.