DURAN® Long Ground Cone
finished
- Manufactured from borosilicate glass 3.3
- Ground (finer grinding quality, less roughness depth)
- The larger ground surface is suitable for use in high-vacuum applications.
- Tight closure due to standard ground joint
- Glass articles for further processing
Products

| Catalog No | Cone (NS) | Wall Thickness s (mm) | Diameter d (mm) | Length l (mm) | Quantity | |
|---|---|---|---|---|---|---|
| 286154602 | 14/35 | 1.5 | 13 | 120 | 50 | Find a distributor |
| 286155804 | 19/38 | 1.8 | 17 | 150 | 50 | Find a distributor |
| 286156603 | 24/40 | 1.8 | 22 | 150 | 50 | Find a distributor |
| 286159206 | 29/42 | 2 | 26 | 150 | 50 | Find a distributor |
| 286162602 | 45/40 | 2.3 | 40 | 150 | 10 | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
DURAN® cores in the long-grinding variant are frequently used in the high-vacuum range.
Products
Products

| Catalog No | Cone (NS) | Wall Thickness s (mm) | Diameter d (mm) | Length l (mm) | Quantity | |
|---|---|---|---|---|---|---|
| 286154602 | 14/35 | 1.5 | 13 | 120 | 50 | Find a distributor |
| 286155804 | 19/38 | 1.8 | 17 | 150 | 50 | Find a distributor |
| 286156603 | 24/40 | 1.8 | 22 | 150 | 50 | Find a distributor |
| 286159206 | 29/42 | 2 | 26 | 150 | 50 | Find a distributor |
| 286162602 | 45/40 | 2.3 | 40 | 150 | 10 | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
DURAN® cores in the long-grinding variant are frequently used in the high-vacuum range.
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