DURAN® original GL laboratory bottles have become the gold standard of multifunctional laboratory bottles since their introduction in 1972. The bottles are moulded from high-purity, clear, USP/EP Type I borosilicate glass 3.3, renowned for its excellent thermal performance, and high resistance to chemical attack. A combination of high-performance materials and robust ISO 4796-1 design provides a long working life. The bottles feature an easy-to-read graduated volume scale, and marking field in permanent white enamel. Permanent Retrace Code on each bottle for manufacturing lot traceability. DURAN® original GL bottles are supplied complete with iconic blue polypropylene cap and drip-free pouring ring for use up to 140°C. All components are fully autoclavable at 121 or 134°C.
- With DIN 168-1 thread
- Graduated
- Complies with the standards in ISO 4796-1:2016 Laboratory Glassware - Bottles - Part 1: Screw-Neck Bottles
- Manufactured from DURAN® borosilicate glass 3.3. DURAN® is a neutral glass, classified as a Glass Type I according to USP 660>, EP (3.2.1) and JP 7.01>, and meets ASTM E438, Type I, Class A requirements
- Standardised GL thread and matching cap system for particularly tight sealing and simple, clean pouring out
- Retrace Code, and certificate for manufacturing lot traceability
- Fired-on, highly durable white print
- Suitable for long-term storage
- Easy-to-read scale with graduation marks to estimate the content
- Supplied with polypropylene screw cap and pouring ring
This product has met the following criteria to qualify for the following awards:
 | Sustainable Distribution & Packaging | - Country of origin has an Environmental Performance Index (EPI) greater than 60
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To find out more about our Sustainability Attributes, click here.