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UNITED SCIENTIFIC SUPPLIES Stopper: Silicone, 2 Stopper Size, 16 mm Bottom Dia, 20 mm Top Dia, 25 mm Overall Ht - Synthetic Rubber Stoppers
UNITED SCIENTIFIC SUPPLIESSynthetic Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Stopper: Silicone, 2 Stopper Size, 16 mm Bottom Dia, 20 mm Top Dia, 25 mm Overall Ht

The UNITED SCIENTIFIC SUPPLIES Stopper is a synthetic rubber stopper made of blue silicone in Stopper Size 2. It has a bottom diameter of 16 mm, a top diameter of 20 mm, and an overall height of 25 mm, with 0 holes…

SKU 3G-OTH-382708

Also listed as: UNSST 2 · UNSST-2

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Stopper: Silicone, 2 Stopper Size, 16 mm Bottom Dia, 20 mm Top Dia, 25 mm Overall Ht
Category
Synthetic Rubber 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
UNSST2
Type
Blue
Material
Silicone
Color
Blue
Holes
0
Top Dia
20 mm
Bottom Dia
16 mm
Overall Ht
25 mm
Stopper Size
2

Technical Documents

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

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper is a synthetic rubber stopper made of blue silicone in Stopper Size 2. It has a bottom diameter of 16 mm, a top diameter of 20 mm, and an overall height of 25 mm, with 0 holes. This product is identified by MPN UNSST2.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES silicone stopper used for?

This blue silicone stopper (Size 2, 16 mm bottom dia, 20 mm top dia, 25 mm height) seals laboratory flasks, test tubes, and vessels. Its solid design with 0 holes provides an airtight closure for chemical containment, mixing, or vacuum applications in research, pharmaceutical, and educational labs.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES stopper UNSST2?

The UNITED SCIENTIFIC SUPPLIES INC stopper UNSST2 is Size 2, made of blue silicone. It has a bottom diameter of 16 mm, top diameter of 20 mm, and overall height of 25 mm. It features 0 holes, making it a solid stopper for general lab sealing.

Where to buy UNITED SCIENTIFIC SUPPLIES stoppers worldwide?

3G Electric supplies UNITED SCIENTIFIC SUPPLIES stoppers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the UNSST2 silicone stopper or other lab supplies for your region.

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

Measure the inner diameter of your flask neck. The stopper's top diameter (20 mm for Size 2) should be slightly larger than the opening, while the bottom diameter (16 mm) fits inside. For a snug seal, choose a stopper with a top diameter 2–4 mm wider than the neck. Silicone offers flexibility and chemical resistance.

UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES synthetic rubber 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
Stopper: Silicone, 6 Stopper Size, 26 mm Bottom Dia, 32 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST6)
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Stopper: Silicone, 6 Stopper Size, 26 mm Bottom Dia, 32 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST6)
Stopper: Silicone, 0 Stopper Size, 13 mm Bottom Dia, 17 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST0)
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Stopper: Silicone, 0 Stopper Size, 13 mm Bottom Dia, 17 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST0)
Stopper: Silicone, 1 Stopper Size, 14 mm Bottom Dia, 19 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST1)
UNITED SCIENTIFIC SUPPLIES
Stopper: Silicone, 1 Stopper Size, 14 mm Bottom Dia, 19 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST1)
Stopper: Silicone, 3 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST3)
UNITED SCIENTIFIC SUPPLIES
Stopper: Silicone, 3 Stopper Size, 18 mm Bottom Dia, 24 mm Top Dia, 25 mm Overall Ht, Blue, 0 Holes (MPN UNSST3)
Stopper: Rubber, 6 Stopper Size, 26 mm Bottom Dia, 32 mm Top Dia, 25 mm Overall Ht, Black, 2 Holes (MPN RST6-H2)
UNITED SCIENTIFIC SUPPLIES
Stopper: Rubber, 6 Stopper Size, 26 mm Bottom Dia, 32 mm Top Dia, 25 mm Overall Ht, Black, 2 Holes (MPN RST6-H2)

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