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- General laboratory consumables
- Occupational safety, Security
- Analytical measurement and testing
- Stirring, Shaking, Mixing
- Sample preparation
- Distillation, separation, filtration
- Heating and cooling technology
- Liquid Handling
- Vacuum technology, Drying, Dry storage
- Optical instruments and Microscopes
- Cleaning and sterilisation
- Environmental-, soil-, water-, food analysis
- Chromatography
- Cleanroom
Stoppers
Filter
NS-Glass stoppers, hollow borosilicate glass 3.3
Isolab
Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. They meet the highest quality standards according to DIN 12252. Lower closed end of stopper features a "drip-tip" to ensure adhered liquid is returned to the flask. Hexagonal flat head prevents the stopper from rolling and allows stopper to be stood on end preventing contamination of the ground surface....
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Screw caps GL45, aluminium
DWK
The caps are available as a closed-top cap with a high temperature PTFE coated cap liner, or as an open-top cap for use with septum or stopper. Metal closures offer a wide range of temperature tolerances and have a high mechanical strength.
- Free of hydrocarbon-based plastics, plasticisers, phthalates, etc.
- High temperature usage up to 260 °C
- Thread fits all DURAN® GL 45 glass bottles
- Secure sealing with USP <88> Class VI PTFE coated silicone cap liner
- Electrically conductive material - ESD dissipation
- Cap liner is supplied unmounted
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