







🧪 Seal your samples with confidence—because your research deserves the best.
The ALWSCI 20 mm Aluminum Crimp Seal features a natural PTFE and white silicone septa, offering exceptional temperature resistance from 60°C to 200°C. Its fully laminated PTFE lining provides superior chemical resistance, while the soft silicone septa allow easy needle penetration. Designed for headspace vials, this pack of 100 ensures reliable, contamination-free sealing for professional lab environments.









| Manufacturer | ALWSCI |
| Part number | 20-SP3002 |
| Item Weight | 150 g |
| Package Dimensions | 14 x 13 x 3.2 cm; 150 g |
| Item model number | 20-SP3002 |
| Size | 20mm Aluminum Crimp Seal |
| Color | Natural Ptfe/White Silicone Septa |
| Style | Natural PTFE/White Silicone Septa |
| Batteries Included? | No |
| Batteries Required? | No |
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