Volumetric Flask With Penny Head Stopper, Unserialized CLASS A
Product Code : EL-VF-10272
Lab Glassware Manufacturer manufactures and exports the Volumetric Flask With Penny Head Stopper, Unserialized, Class A from its production facility in Ambala, Haryana, for Class-A volumetric measurement in laboratories in India and to export buyers that have recently included Afghanistan, Pakistan and Tajikistan — part of a wider base of enquiries from across South-Central Asia.
Quick answer: This is a Class-A tolerance borosilicate volumetric flask with a penny head glass stopper, manufactured to comply with the requirements for Type 1, Class A unserialized flasks, and supplied across an unusually wide range from 1ml up to 6000ml.
| Capacity (ml) | Tolerance (±ml) | Stopper Size (mm) |
|---|---|---|
| 1 | 0.01 | 8 |
| 2 | 0.01 | 8 |
| 5 | 0.02 | 9 |
| 5 | 0.08 | 13 |
| 10 | 0.02 | 9 |
| 10 | 0.08 | 13 |
| 20 | 0.03 | 9 |
| 20 | 0.08 | 13 |
| 25 | 0.03 | 9 |
| 25 | 0.08 | 13 |
| 50 | 0.05 | 9 |
| 50 | 0.08 | 13 |
| 100 | 0.08 | 13 |
| 100 | 0.10 | 16 |
| 200 | 0.10 | 16 |
| 200 | 0.20 | 19 |
| 250 | 0.12 | 16 |
| 250 | 0.20 | 19 |
| 500 | 0.20 | 19 |
| 1000 | 0.30 | 22 |
| 2000 | 0.50 | 27 |
| 4000 | 1.20 | 38 |
| 6000 | 1.50 | 38 |
A Wider Capacity Range for Bulk Volumetric Work
Most volumetric flask ranges top out at 1000ml or 2000ml; this Type 1, Class A unserialized flask extends to 4000ml and 6000ml, both using a 38mm penny head stopper, for labs that need certified Class-A accuracy at bulk-preparation volumes rather than only bench-scale ones. "Type 1" refers to the borosilicate glass composition, the standard for chemically durable laboratory glassware. As with the smaller sizes, several mid-range capacities offer a choice of two stopper sizes — confirm which is needed against existing accessories.
Frequently Asked Questions
What does "Type 1, Class A" mean on this flask?
Type 1 refers to the borosilicate glass composition, and Class A refers to the tighter of the two standard volumetric tolerance classes.
What is the largest capacity available?
The range extends up to 6000ml, alongside a 4000ml size, both larger than the typical 1000-2000ml top end of most volumetric flask ranges.
What stopper does this flask use?
It uses a penny head glass stopper, sized to match each capacity.
Do you export this flask outside India?
Yes, this flask is exported to institutional and distributor buyers outside India, with recent enquiries from Afghanistan, Pakistan and Tajikistan among other South-Central Asian markets.
Related Products
Explore more from the Volumetric Flasks range, including Amber Volumetric Flasks, Unserialized With Penny Head Stopper Class-A and Volumetric Flask With Polyethylene Stopper, Unserialized Class A.
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Last updated: September 2026.
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