This Corning® PCR microplate lid is made from polycarbonate. The lid is thermally stable up to 135°C and can be used on Thermowell® 96-well polycarbonate plates with oil overlays. Lid is intended to be a cover only and does not prevent evaporation. Nonsterile. Material: Polycarbonate. Plate Format: Lid. Surface Treatment: Not Treated. Corning® #: 6520.