autoclavable to 140C (284F) medium bottles for sale-HPLC 2. Bottles have permanent white enamel graduations and marking spots. 3. Glass bead indicates full capacity line on 100 ml through 1000 ml sizes. 4. Each bottle includes a linerless, one-piece autoclavable (140C/284F) polypropylene plug seal screw cap and drip-free pouring ring. 5.