Red Natural Rubber Perforated Stopper
In stock
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| SKU | Product Name | Price | Qty | |
|---|---|---|---|---|
| STOR-H13-025 | Rubber stopper solid Øtop 13 mm Øbottom 9 mm h 15.5 mm 25 pcs |
€2.14
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| STOR-H14-025 | Rubber stopper solid Øtop 14 mm Øbottom 11 mm h 18.5 mm 25 pcs |
€2.42
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| STOR-H16-025 | Rubber stopper solid Øtop 16.5 mm Øbottom 13 mm h 20 mm 25 pcs |
€3.01
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| STOR-H19-025 | Rubber stopper solid Øtop 19 mm Øbottom 14 mm h 21 mm 25 pcs |
€3.77
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| STOR-H21-020 | Rubber stopper solid Øtop 21 mm Øbottom 15 mm h 22 mm 20 pcs |
€3.48
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| STOR-H22-020 | Rubber stopper solid Øtop 22.5 mm Øbottom 17.5 mm h 23 mm 20 pcs |
€4.33
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| STOR-H26-010 | Rubber stopper solid Øtop 26.5 mm Øbottom 21 mm h 27.5 mm 10 pcs |
€4.40
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| STOR-H28-010 | Rubber stopper solid Øtop 28 mm Øbottom 21.5 mm h 31 mm 10 pcs |
€5.07
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| STOR-H30-010 | Rubber stopper solid Øtop 30 mm Øbottom 26 mm h 33 mm 10 pcs |
€6.75
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| STOR-H32-010 | Rubber stopper solid Øtop 32.5 mm Øbottom 28.5 mm h 32.5 mm 10 pcs |
€7.49
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| STOR-H37-010 | Rubber stopper solid Øtop 37.5 mm Øbottom 28.5 mm h 44 mm 10 pcs |
€10.00
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| STOR-H41-010 | Rubber stopper solid Øtop 41.5 mm Øbottom 32 mm h 42.5 mm 10 pcs |
€12.42
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| STOR-H49-010 | Rubber stopper solid Øtop 49.5 mm Øbottom 40 mm h 40.5 mm 10 pcs |
€19.17
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Red Natural Rubber Perforated Stopper
Single-bore stopper moulded from natural rubber, red. Accepts thermometers, glass tubing, rods or adapters while keeping the vessel closed. Red colouration allows quick identification on the bench when working alongside stoppers of other types or materials.
Features
- Material: Natural rubber
- Colour: Red
- Type: Perforated — single central bore for tubing or accessory passage
- Elasticity: High — conforms to vessel neck and recovers to original shape without permanent set
Typical Applications
Standard choice for simple distillation setups, gas dispersion, fermentation and any assembly requiring a tube or thermometer to pass through a closed vessel. Compatible with flasks, test tubes, bottles and laboratory vessels with standard-taper or straight necks.
Technical Data
- Material: Natural rubber
- Colour: Red
- Configuration: Perforated
Usage Notes
Before inserting the accessory, lightly lubricate the tube or rod with water or glycerol to ease passage without stressing the stopper. Not suitable for aggressive organic solvents or pressurised work — consider silicone or PTFE stoppers for those conditions.
| Brand | ASTIKs |
|---|