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UNITED SCIENTIFIC SUPPLIES Stopper: Cork, 9 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia, 29 mm Overall Ht

The UNITED SCIENTIFIC SUPPLIES Stopper: Cork (SKU CST9, MPN CST9) is a beige cork stopper with a Stopper Size of 9. It has a bottom diameter of 18 mm, a top diameter of 24 mm, and an overall height of 29 mm, with 0…

SKU 3G-OTH-385491

Also listed as: CST 9 · CST-9

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Stopper: Cork, 9 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia, 29 mm Overall Ht
Category
Cork Stoppers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
CST9
Type
Beige
Material
Cork
Color
Beige
Holes
0
Top Dia
24 mm
Bottom Dia
18 mm
Overall Ht
29 mm
Stopper Size
9

Technical Documents

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UNITED SCIENTIFIC SUPPLIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper: Cork (SKU CST9, MPN CST9) is a beige cork stopper with a Stopper Size of 9. It has a bottom diameter of 18 mm, a top diameter of 24 mm, and an overall height of 29 mm, with 0 holes.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES cork stopper used for?

This beige cork stopper (size 9) seals laboratory flasks, bottles, and test tubes. Its natural cork material provides a tight, compressible fit for standard glassware, preventing contamination or evaporation during storage or experiments.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES CST9 cork stopper?

The CST9 cork stopper has a stopper size of 9, bottom diameter of 18 mm, top diameter of 24 mm, and overall height of 29 mm. It is made of beige cork with 0 holes, supplied by UNITED SCIENTIFIC SUPPLIES INC.

Where to buy UNITED SCIENTIFIC SUPPLIES cork stoppers worldwide?

3G Electric supplies the UNITED SCIENTIFIC SUPPLIES CST9 cork stopper to global customers. We handle full logistics, customs clearance, and delivery worldwide, ensuring you receive genuine laboratory consumables for your facility.

How to select the right cork stopper size for a flask?

Measure the inner diameter of your flask neck. The stopper's bottom diameter (18 mm for size 9) should be slightly larger than the opening for a snug fit. Cork compresses, so choose a size that requires gentle force to insert without cracking the glass.

UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES cork stoppers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
UNITED SCIENTIFIC SUPPLIES
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Stopper: Cork, 10 Stopper Size, 20 mm Bottom Dia, 25 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST10)
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Stopper: Cork, 19 Stopper Size, 33 mm Bottom Dia, 40 mm Top Dia, 38 mm Overall Ht, Beige, 0 Holes (MPN CST19)
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Stopper: Cork, 16 Stopper Size, 27 mm Bottom Dia, 35 mm Top Dia, 38 mm Overall Ht, Beige, 0 Holes (MPN CST16)
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Stopper: Cork, 18 Stopper Size, 31 mm Bottom Dia, 38 mm Top Dia, 38 mm Overall Ht, Beige, 0 Holes (MPN CST18)
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Stopper: Cork, 11 Stopper Size, 21 mm Bottom Dia, 27 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST11)
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Stopper: Cork, 0 Stopper Size, 7 mm Bottom Dia, 11 mm Top Dia, 13 mm Overall Ht, Beige, 0 Holes (MPN CST0)

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This beige cork stopper is size 3, with a top diameter of 14 mm, bottom diameter of 10 mm, and overall height of 19 mm. It has no holes and is made of natural cork. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a compressible fit for standard openings
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Stopper: Cork, 12 Stopper Size, 22 mm Bottom Dia, 29 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST12)
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Stopper: Cork, 2 Stopper Size, 9 mm Bottom Dia, 13 mm Top Dia, 17 mm Overall Ht, Beige, 0 Holes (MPN CST2)
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Stopper: Cork, 4 Stopper Size, 11 mm Bottom Dia, 16 mm Top Dia, 20 mm Overall Ht, Beige, 0 Holes (MPN CST4)
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Stopper: Cork, 8 Stopper Size, 17 mm Bottom Dia, 22 mm Top Dia, 27 mm Overall Ht, Beige, 0 Holes (MPN CST8)
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Stopper: Cork, 13 Stopper Size, 24 mm Bottom Dia, 30 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST13)
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Stopper: Cork, 15 Stopper Size, 27 mm Bottom Dia, 33 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST15)