Vacuum desiccators with a 300mm internal diameter from Chinese manufacturers are widely available in both borosilicate glass and polycarbonate (plastic) options. These units are typically used for drying samples or storing moisture-sensitive materials under vacuum.
Key Features to Look For
- Vacuum Stability: Look for dual O-ring seals if selecting plastic models to ensure long-term vacuum retention.
- Stopcock Type: Ensure the ground-in glass or plastic stopcock is compatible with your vacuum tubing size.
- Accessories: Confirm the inclusion of a porcelain plate, which is standard for most 300mm glass models.
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