Description General description • Translucent silicone rubber septa • Contains no pigments, waxes, or molding agents • Good for high heat applications (200°C continuous or 400°C intermittent) • Autoclavable for sterile uses • Excellent resistance to deterioration due to sunlight and ozone Turnover flange grips outside of container neck, promoting a double seal in conjunction with annular serrations on hollow plug. Annular serrations depress themselves against the inside wall of the bottle neck, making each serration a suction sealing point. Legal Information Suba-Seal is a registered trademark of Sigma-Aldrich Co. LLC