Amber Volumetric Flasks, Class-A
Product Code : EL-VF-10238
Lab Glassware Manufacturer manufactures and exports Amber Volumetric Flasks, Class-A from its production facility in Ambala, Haryana, for precise volumetric measurement of light-sensitive solutions, supplied to laboratories in India and to export buyers that have recently included Netherlands, Belgium and Luxembourg — part of a wider base of enquiries from across the Benelux region.
Quick answer: This is a Class-A tolerance volumetric flask in borosilicate glass with an amber (light-protective) exterior coating, amber stain graduation and a PE stopper, supplied across an 11-point capacity range from 5ml to 2000ml.
| Specification | Detail |
|---|---|
| Material | Borosilicate glass with amber coating |
| Tolerance class | Class-A |
| Graduation | Amber stain |
| Stopper | PE (polyethylene) |
| Capacities | 5ml, 10ml, 20ml, 25ml, 50ml, 100ml, 200ml, 250ml, 500ml, 1000ml, 2000ml |
Why Amber Glass Matters for Class-A Accuracy
A Class-A volumetric flask is already built to a tighter tolerance band than Class-B, and the amber exterior coating on this flask adds a second layer of protection by blocking UV and visible light that can degrade light-sensitive reagents and standard solutions before they are even used. Buyers working with photosensitive titrants, vitamin assays or similar light-sensitive analytical work should specify amber glass for exactly this reason; buyers without a light-sensitivity requirement can use the standard clear-glass equivalent. This is manufacturer-stated Class-A tolerance, consistent with the general framework in ISO 1042 (One-mark volumetric flasks) — buyers with a specific NABL or accreditation requirement should confirm the exact tolerance certificate at enquiry stage.
Frequently Asked Questions
Why choose an amber volumetric flask over a clear one?
Amber glass blocks UV and visible light that can degrade light-sensitive solutions, which is important for photosensitive reagents and standard solutions.
What tolerance class is this flask?
It is a Class-A tolerance volumetric flask, the tighter of the two standard tolerance classes.
What capacities are available?
Capacities range from 5ml to 2000ml across 11 sizes: 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000 and 2000ml.
Do you export Amber Volumetric Flasks outside India?
Yes, these flasks are exported to institutional and distributor buyers outside India, with recent enquiries from Netherlands, Belgium and Luxembourg among other Benelux markets.
Related Products
Explore more from the Volumetric Flasks range, including Amber Volumetric Flask, With PE Stopper Class-A and Volumetric Flask With PE Stopper Class-A.
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Last updated: September 2026.