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Gas Jar Cover
Gas Jar Cover (Product Code: SLE/MC/03) is a clear, circular glass plate used to close a gas jar while a gas is collected, held briefly or tested in school chemistry practicals. It is made of sheet glass ground on one side, giving a flat face that sits closely on the jar's rim to keep the gas inside. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Material | Sheet glass |
| Shape | Circular |
| Colour | Clear |
| Finish | Ground on one side |
| Purpose | Cover for gas jars |
| Product code | SLE/MC/03 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Gas Jar Cover Used For?
In gas preparation experiments, a jar filled with water is inverted in a trough and gas from a delivery tube displaces the water. When the jar is full of gas, the cover is slid under its mouth while still under water, and the covered jar is lifted out. The cover is then moved aside briefly to insert a glowing splint, a burning taper or limewater when testing for oxygen, hydrogen or carbon dioxide, making it a small but essential part of any gas collection apparatus.
Place the ground face against the jar's flange; a thin smear of petroleum jelly on the ground surface improves the seal when a gas must be held for longer. Slide the cover sideways rather than lifting it straight up, handle it by the edges, and store covers flat so the ground face is not chipped.
What to Specify When Ordering
- The gas jar the cover will be used with, as this listing does not state a diameter.
- Number of covers: one per jar plus a few spares for breakages.
- Whether matching Gas Jar, Glass units should be quoted at the same time.
OEM Manufacturer
ScienceLab, the trading name of Jain Scientific Equipments Private Limited, is the OEM behind this Gas Jar Cover. The company manufactures the covers at its own licensed factory at Saha, Ambala, Haryana, India, and supplies them factory-direct, together with the gas jars and chemistry glassware they accompany, to schools, colleges, dealers and importers.
Because the maker quotes directly, matching covers to existing jars, adding spares or repeating an order next term is straightforward — ask us. Learn more on the company profile.
Related Laboratory Equipment
These items complete a gas collection and testing set-up with the Gas Jar Cover:
- Gas Jar, Glass — the borosilicate jar this cover closes; the jar is sold without a lid.
- Deflagrating Spoon — for burning small samples inside a covered gas jar.
- Pneumatic Trough — the water trough used when collecting gas over water.
- Beehive Shelf, Porcelain — supports the inverted jar above the delivery tube in the trough.
More glassware is listed in the Measuring Cylinders category.
Frequently Asked Questions
What is the Gas Jar Cover made of?
The Gas Jar Cover is made of clear circular sheet glass that is ground on one side. The ground face gives a closer contact with the jar's rim, while the clear glass lets students see the contents and any colour change inside the jar.
What size is the Gas Jar Cover?
The listing does not state a diameter for the Gas Jar Cover. Tell us which gas jar you use, or order it together with the ScienceLab Gas Jar, Glass, and we will confirm a cover that fits the jar's flange before quoting.
Which side of the Gas Jar Cover goes on the jar?
Place the ground side of the Gas Jar Cover against the flange of the gas jar. The ground surface seats more closely than smooth glass, and a light smear of petroleum jelly on it helps hold the gas when the jar must stand for a while.
Who manufactures the Gas Jar Cover?
The Gas Jar Cover is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory in Saha, Ambala, Haryana, India. Orders and quotations are handled by the manufacturer directly, without a trading middleman.
How should Gas Jar Covers be cleaned and stored?
Wash Gas Jar Covers in warm soapy water to remove grease and chemical residue, then rinse and dry them. Store them flat and separated so the ground faces do not scratch or chip against each other between practical sessions.
Can Gas Jar Covers be ordered with gas jars in bulk?
Yes, Gas Jar Covers can be quoted with gas jars and other gas-preparation apparatus in quantities for whole classes, institutions, dealers and importers in India and international markets. Send your list and delivery location through the contact page or the enquiry cart.
Request a Quote
Request a manufacturer's quotation for the Gas Jar Cover (SLE/MC/03) through the contact page or the enquiry cart. Mention the jars you use and how many covers you need.
Last updated: 24 September 2026
