Material: DURAN ® glass, transparent. Autoclavable: yes. Acc. to 4796-1. Pouring ring and screw cap without colour additives and colour pigments. Temperature stability -196 to +260 °C. Especially suited to demanding sterilisation processes like, for example, hot air or dry sterilisation and depyrogenisation, thanks to the guaranteed temperature change resistance of 160 K. Corresponds to USP/FDA standards. Scaling accurate up to ±5%. Additional reverse scale allows you to read off the current fill level and the amount removed. With retrace code. Screw top bottles DURAN ® Premium Delivery without batch certificate. Delivery incl. pouring ring and screw cap made from TPCh260 with PTFE-coated silicone seal.