Laboratory bottle with batch identification (Retrace Code); certificate available via the internet; with GLS80® wide-mouth (o.d. 80mm). Glass Type I / neutral glass as per USP; EP and JP. Autoclavable. Ideal for any application with powder or granulate; easier filling and emptying. The coating of DURAN® protect is a resistant and transparent plastic coating based on a cross-linked copolymer. Complete with blue quick release closure (PP integral lip seal) and pouring ring (PP) for drip-free pouring and clean; safe working. The coating adheres to the surface of the glass and fulfils the following functions: Protection of the glass surface against mechanical damage (e.g. scratches). Keeps broken glass in place after breakage and avoids or reduces leakage. Minimises loss of media in case of breakage. Absorption of light up to a wavelength of 380nm. Temperature resistance: Autoclavable (<135°C). Can be used in microwaves. High temperature applications for extended periods (>30min) and direct heating with a flame not recommended. Freezing down to -30°C possible.